MIDAS GEN

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MIDAS GEN

Main Features

Discover the main features of MIDAS GEN.Explore the product's core features through a variety of content.

Features

Design Features
RC Design: AC1318, Eurocode 2 & 8, BS8110, IS:456 & 13920, CSA-A23.3, GB50010, AIJ-WSD, TWN-USD, AIK-USD & WDS, KSCE-USD, KCI-USD Steel Design: AISC-ASD & LRFD, AISI-CFSD, Eurocode 3, BS5950, IS:800, CSA-S16, GBJ17 & GB50017, AIJ-ASD, TWN-ASD & LSD, AIK-ASD & LSD & CFSD, KSCE-ADS, KSSC-ASD SRC Design: SSRC, JGJ138, CECS28, AIJ-SRC, TWN-SRC, AIK-SRC2K, AIK-SRC, KSSC-CFT Footing Design: AC1318, BS8110 Slab & Wall Design: AC1318, Eurocode 2 Capacity Design: Eurocode 8, NTC2008
Wind & Seismic Loads auto-generation
Wind Load: IBC(ASCE7), UBC, ANSI, Eurocode 1, BS6399, IS875, NBC, GB, Japan, Taiwan & Korea Seismic Load: IBC(ASCE7), UBC, ATC 3-06, Eurocode 8, IS 1893, NBC, GB, Japan, Taiwan & Korea
High-rise Specific Functionality
• 3-D Column Shortening reflecting change in modulus, creep and shrinkage • Construction Stage Analysis accounting for change in geometry, supports and loadings • Building model generation wizard • Automatic mass conversion • Material stiffness changes for cracked sections
High-end Analysis Capabilities
• P-Delta & Large Displacement Analysis • Dynamic Analysis (Time History, Response Spectrum, etc.) • Base Isolators & Dampers • Pushover Analysis • Inelastic Time History Analysis • Staged post-tensioning • Catenary Cable Structure • Heat of Hydration Analysis
Intuitive User Interface
• Works Tree (Input summary with powerful modeling capabilities) • Models created and changed with ease • Floor Loads defined by areas and on inclined plane • Built-in Section Property Calculator • Tekla Structures, Revit Structure & STAAD interfaces
General Structural Analysis and Optimal Design System
The intuitive graphical interface of MIDAS GEN makes the program easy to use, and you can utilize it quickly even with just basic training. The automated optimal design feature helps reduce material costs and outsourcing expenses while improving structural engineering capabilities. It automatically generates essential documents and reports, such as section calculation sheet and seismic design report, increasing work efficiency and reducing costs.

Features

Design Features
RC Design: AC1318, Eurocode 2 & 8, BS8110, IS:456 & 13920, CSA-A23.3, GB50010, AIJ-WSD, TWN-USD, AIK-USD & WDS, KSCE-USD, KCI-USD Steel Design: AISC-ASD & LRFD, AISI-CFSD, Eurocode 3, BS5950, IS:800, CSA-S16, GBJ17 & GB50017, AIJ-ASD, TWN-ASD & LSD, AIK-ASD & LSD & CFSD, KSCE-ADS, KSSC-ASD SRC Design: SSRC, JGJ138, CECS28, AIJ-SRC, TWN-SRC, AIK-SRC2K, AIK-SRC, KSSC-CFT Footing Design: AC1318, BS8110 Slab & Wall Design: AC1318, Eurocode 2 Capacity Design: Eurocode 8, NTC2008
Wind & Seismic Loads auto-generation
Wind Load: IBC(ASCE7), UBC, ANSI, Eurocode 1, BS6399, IS875, NBC, GB, Japan, Taiwan & Korea Seismic Load: IBC(ASCE7), UBC, ATC 3-06, Eurocode 8, IS 1893, NBC, GB, Japan, Taiwan & Korea
High-rise Specific Functionality
• 3-D Column Shortening reflecting change in modulus, creep and shrinkage • Construction Stage Analysis accounting for change in geometry, supports and loadings • Building model generation wizard • Automatic mass conversion • Material stiffness changes for cracked sections
High-end Analysis Capabilities
• P-Delta & Large Displacement Analysis • Dynamic Analysis (Time History, Response Spectrum, etc.) • Base Isolators & Dampers • Pushover Analysis • Inelastic Time History Analysis • Staged post-tensioning • Catenary Cable Structure • Heat of Hydration Analysis
Intuitive User Interface
• Works Tree (Input summary with powerful modeling capabilities) • Models created and changed with ease • Floor Loads defined by areas and on inclined plane • Built-in Section Property Calculator • Tekla Structures, Revit Structure & STAAD interfaces
General Structural Analysis and Optimal Design System
The intuitive graphical interface of MIDAS GEN makes the program easy to use, and you can utilize it quickly even with just basic training. The automated optimal design feature helps reduce material costs and outsourcing expenses while improving structural engineering capabilities. It automatically generates essential documents and reports, such as section calculation sheet and seismic design report, increasing work efficiency and reducing costs.

Modeling

File Manipulation
• Direct Data Transfer with Tekla Structures, Revit Structure & STAAD • Import/Export (AutoCAD DXF, MSC.Nastran, MGT, etc.) • Merge Data Files • Unlimited Undo/Redo & Step Return using History
Modules for Multi-tower Buildings
MIDAS GEN provides automatic generation of floor diaphragm for each tower and wind & seismic loads can be assigned by towers.
Section Property Calculator
MIDAS GEN provides SPC, which calculates stiffness data for any shape or form. The section shape can be drawn, or a DXF file can be imported. The shape and properties of the generated section can be exported to MIDAS GEN.
Semi-rigid Diaphragm
Accidental eccentricity for the flexible Floor Diaphragm can be considered in the response spectrum analysis. Accidental torsion is considered for each individual masses and calculated by the product of inertia force and accidental eccentricity at each mass.
Structure Wizards
Individual structures, such as frames, arches, trusses, plates, and shells, can be modeled independently using this automated modeling tool. Then, these units can be combined into the total model.
Walk Through Effect
The Model Window can display common model shapes, as well as more complex shapes using hidden lines, removal of hidden surfaces, shading, lighting, and color tone dispersion. Model, analysis, and design results can be visualized in rendered views. The status of the model or each type of analysis and design result can be visually verified by "Walking through" or "Flying over" the interiors of structures.

Modeling

File Manipulation
• Direct Data Transfer with Tekla Structures, Revit Structure & STAAD • Import/Export (AutoCAD DXF, MSC.Nastran, MGT, etc.) • Merge Data Files • Unlimited Undo/Redo & Step Return using History
Modules for Multi-tower Buildings
MIDAS GEN provides automatic generation of floor diaphragm for each tower and wind & seismic loads can be assigned by towers.
Section Property Calculator
MIDAS GEN provides SPC, which calculates stiffness data for any shape or form. The section shape can be drawn, or a DXF file can be imported. The shape and properties of the generated section can be exported to MIDAS GEN.
Semi-rigid Diaphragm
Accidental eccentricity for the flexible Floor Diaphragm can be considered in the response spectrum analysis. Accidental torsion is considered for each individual masses and calculated by the product of inertia force and accidental eccentricity at each mass.
Structure Wizards
Individual structures, such as frames, arches, trusses, plates, and shells, can be modeled independently using this automated modeling tool. Then, these units can be combined into the total model.
Walk Through Effect
The Model Window can display common model shapes, as well as more complex shapes using hidden lines, removal of hidden surfaces, shading, lighting, and color tone dispersion. Model, analysis, and design results can be visualized in rendered views. The status of the model or each type of analysis and design result can be visually verified by "Walking through" or "Flying over" the interiors of structures.

Loads

Static Wind and Seismic Loads
MIDAS GEN generates static wind and seismic loads for a building structure on a per-story basis. Users only need to provide the relevant standard and the building data.
Floor Loads
• This function allows us to readily specify uniformly distributed dead and live loads on specific areas of a floor. • The floor loads are then automatically distributed and applied to the individual beams, girders and columns. This surely leads to speedy analysis and design.
Dynamic Loads
Seismic analyses can be performed while implementing dynamic loads and nonlinear elements.
Hydrostatic Pressure Loads
The hydrostatic pressure loads are calculated at each corner node of the elements. The point pressure is obtained by multiplying the distance from the given surface of the fluid by the density of the fluid.

Loads

Static Wind and Seismic Loads
MIDAS GEN generates static wind and seismic loads for a building structure on a per-story basis. Users only need to provide the relevant standard and the building data.
Floor Loads
• This function allows us to readily specify uniformly distributed dead and live loads on specific areas of a floor. • The floor loads are then automatically distributed and applied to the individual beams, girders and columns. This surely leads to speedy analysis and design.
Dynamic Loads
Seismic analyses can be performed while implementing dynamic loads and nonlinear elements.
Hydrostatic Pressure Loads
The hydrostatic pressure loads are calculated at each corner node of the elements. The point pressure is obtained by multiplying the distance from the given surface of the fluid by the density of the fluid.

Analysis

• Linear Static & Thermal Analysis • Dynamic Analyses (Eigenvalue, Response spectrum & Time History) • P-Delta Analysis / Buckling Analysis (Critical Buckling Load Factors & Modes) • Moving Load Analysis / Heat Transfer Analysis (Steady State & Transient) • Construction Stage Analysis (Strength, Creep & Shrinkage) • Column Shortening Analysis (Elastic/Creep & Shrinkage) / Geometric Nonlinear Analysis • Pushover Analysis (Concrete, Steel and Masonry) • Boundary Nonlinear Time History Analysis • Inelastic Time History Analysis (Lumped/ Distributed Hinges, Fiber Elements) • Material Nonlinear Analysis (Von-Mises, Tresca, Mohr-Coulomb & Drucker-Prager) • Structural Masonry Analysis / Analysis for finding Unknown Forces by Optimization • Heat of Hydration Analysis (Thermo-elastic, Maturity, Creep, Shrinkage & Pipe Cooling)
Construction Stage Analysis
MIDAS GEN provides Construction Stage Analysis capability, which reflects the time dependent material properties of concrete such as concrete hardening, creep and shrinkage. Change in material properties are reflected while simulating construction sequence with respect to the change in geometry, boundary conditions and loads relative to time.
Floor Vibration Analysis
Serviceability of floor structures can be evaluated by dynamic time history analyses. MIDAS GEN provides a number of time history forcing functions for walking loads for floor vibration. (Baumann, IABSE, AIJ, Allen & Rainer)

Analysis

• Linear Static & Thermal Analysis • Dynamic Analyses (Eigenvalue, Response spectrum & Time History) • P-Delta Analysis / Buckling Analysis (Critical Buckling Load Factors & Modes) • Moving Load Analysis / Heat Transfer Analysis (Steady State & Transient) • Construction Stage Analysis (Strength, Creep & Shrinkage) • Column Shortening Analysis (Elastic/Creep & Shrinkage) / Geometric Nonlinear Analysis • Pushover Analysis (Concrete, Steel and Masonry) • Boundary Nonlinear Time History Analysis • Inelastic Time History Analysis (Lumped/ Distributed Hinges, Fiber Elements) • Material Nonlinear Analysis (Von-Mises, Tresca, Mohr-Coulomb & Drucker-Prager) • Structural Masonry Analysis / Analysis for finding Unknown Forces by Optimization • Heat of Hydration Analysis (Thermo-elastic, Maturity, Creep, Shrinkage & Pipe Cooling)
Construction Stage Analysis
MIDAS GEN provides Construction Stage Analysis capability, which reflects the time dependent material properties of concrete such as concrete hardening, creep and shrinkage. Change in material properties are reflected while simulating construction sequence with respect to the change in geometry, boundary conditions and loads relative to time.
Floor Vibration Analysis
Serviceability of floor structures can be evaluated by dynamic time history analyses. MIDAS GEN provides a number of time history forcing functions for walking loads for floor vibration. (Baumann, IABSE, AIJ, Allen & Rainer)

Finite Element Library

Pushover Analysis
Pushover analysis of a 3-D frame structure used for performance based design can be carried out for reinforced concrete, structural steel and steel-concrete composite sections. • Performance based design as per FEMA, Eurocode 8 and Masonry • Various Hinge Types (Truss/Beam/Column/Wall/Spring), Multi-linear Hinge and User-defined Hinge • Displacement control & Force control • Target displacement & Performance Point based on Capacity Spectrum Method • Checking for acceptable performance (Drift limits, Deformation and Strength capacity)
Inelastic Time History Analysis
For the seismic design and assessment of a structure, MIDAS GEN offers a wide range of Hysteresis hinge models, Kinematic hardening, Takeda, slip, etc. for Inelastic Time History Analysis.
Boundary Nonlinear Time History Analysis
MIDAS GEN offers boundary nonlinear time history analysis, which enables us to analyze and evaluate seismic isolators and dampers. Gap, Hook and Hysteretic system are also provided.
Material Nonlinear Analysis/Plasticity Analysis
MIDAS GEN offers material models for the analysis of nonlinear behaviors of Steel, Concrete, Rock, etc. (Von-Mises, Tresca, Mohr-Coulomb & Drucker-Prager)
Heat of Hydration Analysis
MIDAS GEN provides heat of hydration analysis capabilities through heat transfer and heat stress analyses. Heat of hydration analysis by construction stages reflects the change in modulus of elasticity due to maturity, effects of creep/shrinkage, pipe cooling and concrete pour sequence.
Geometric Nonlinear Analysis
Large displacement analysis encountered in cable supported structures, cable net structures, long span structures, etc. can be performed reflecting the change in geometrical deformations.
Structural Masonry Analysis
Masonry structures can be modeled with solid elements, which retain orthotropic material properties. The effect of nonlinearity such as tensile crack and compressive failure can be considered.

Finite Element Library

Pushover Analysis
Pushover analysis of a 3-D frame structure used for performance based design can be carried out for reinforced concrete, structural steel and steel-concrete composite sections. • Performance based design as per FEMA, Eurocode 8 and Masonry • Various Hinge Types (Truss/Beam/Column/Wall/Spring), Multi-linear Hinge and User-defined Hinge • Displacement control & Force control • Target displacement & Performance Point based on Capacity Spectrum Method • Checking for acceptable performance (Drift limits, Deformation and Strength capacity)
Inelastic Time History Analysis
For the seismic design and assessment of a structure, MIDAS GEN offers a wide range of Hysteresis hinge models, Kinematic hardening, Takeda, slip, etc. for Inelastic Time History Analysis.
Boundary Nonlinear Time History Analysis
MIDAS GEN offers boundary nonlinear time history analysis, which enables us to analyze and evaluate seismic isolators and dampers. Gap, Hook and Hysteretic system are also provided.
Material Nonlinear Analysis/Plasticity Analysis
MIDAS GEN offers material models for the analysis of nonlinear behaviors of Steel, Concrete, Rock, etc. (Von-Mises, Tresca, Mohr-Coulomb & Drucker-Prager)
Heat of Hydration Analysis
MIDAS GEN provides heat of hydration analysis capabilities through heat transfer and heat stress analyses. Heat of hydration analysis by construction stages reflects the change in modulus of elasticity due to maturity, effects of creep/shrinkage, pipe cooling and concrete pour sequence.
Geometric Nonlinear Analysis
Large displacement analysis encountered in cable supported structures, cable net structures, long span structures, etc. can be performed reflecting the change in geometrical deformations.
Structural Masonry Analysis
Masonry structures can be modeled with solid elements, which retain orthotropic material properties. The effect of nonlinearity such as tensile crack and compressive failure can be considered.

Results

Dynamic Report Generator
Generate comprehensive reports using analysis and design results from MIDAS GEN. All input and output data can be displayed in various formats such as diagrams, graphs, text, and tables. The report content is fully editable and can be saved in MS Word format without any restrictions. With the Dynamic Report Regenerator, you can easily update the report's contents to reflect any changes in the model file.
Beam Detail Analysis
• Member displacements, forces, and stresses can be examined at various section locations. • Detailed forces and stresses in beam members resulting from the analysis of individual elements can be verified in Beam Detail Analysis. Any point in any section can be examined.
Post-Processing
• Review various analysis results such as stress and member forces along with the deformed shape. • Analysis results can be checked and analyzed in various formats, including stress graphs and stress diagrams.

Results

Dynamic Report Generator
Generate comprehensive reports using analysis and design results from MIDAS GEN. All input and output data can be displayed in various formats such as diagrams, graphs, text, and tables. The report content is fully editable and can be saved in MS Word format without any restrictions. With the Dynamic Report Regenerator, you can easily update the report's contents to reflect any changes in the model file.
Beam Detail Analysis
• Member displacements, forces, and stresses can be examined at various section locations. • Detailed forces and stresses in beam members resulting from the analysis of individual elements can be verified in Beam Detail Analysis. Any point in any section can be examined.
Post-Processing
• Review various analysis results such as stress and member forces along with the deformed shape. • Analysis results can be checked and analyzed in various formats, including stress graphs and stress diagrams.

Meshed Slab

Mesh Generation
MIDAS GEN provides mesh generation features for slab and wall members. Generated mesh elements are fully compatible with analysis and design feature. In addition, applying precise load and analysis on arbitrary point of slab is ensured based on the aligned-mesh.
Auto-mesh Function
Automesh function applied with high quality mesh generation algorithm ensures engineers to create a mesh automatically.
United Analysis Support
By integrating the modeling of the frame and slab/wall as a single unit, the time required for both analysis and design is significantly reduced.
Meshed Slab and Wall Design
MIDAS Gen offers slab, mat, wall, and shell design for meshed plate elements according to various international codes. The design process accounts for smooth moment and shear forces in slabs and walls. Additionally, static wind and seismic loads for flexible floors are automatically generated. Both one-way (strip) and two-way slab designs are supported.
Wood Armer Moment
Reinforced concrete with orthogonal as well as nonorthogonal structure can be designed considering the wood-armer moment and unbalanced moment.
Slab/Mat/Wall/Shell Design
It is capable of flexural and shear design for meshed slabs and mats, considering in-plane stresses for meshed slabs and mats, out-of-plane stresses for meshed walls, and both in-plane and out-of-plane stresses for meshed shells.
Various Application
Mesh function can be used for various structural modeling purposes. It accommodates standard construction structures such as flat slabs with perimeter beams, transfer plates, and mat foundations. Additionally, it supports complex structures including belt outrigger slab caisson, pumping plants, arch tubes, subway stations, composite plate girder bridges, and steel connections.
Transfer Plate, Mat Foundation
The high-quality and high-performance mesh generation system automatically builds meshes using the appropriate type (triangular/quadrilateral). This functionality streamlines the modeling step, allowing for easy and efficient structural modeling.
Special Structure
Unified modeling of frames, slabs, and walls reduces the time required for analysis and design, enabling engineers to efficiently implement the structural design of each element.

Meshed Slab

Mesh Generation
MIDAS GEN provides mesh generation features for slab and wall members. Generated mesh elements are fully compatible with analysis and design feature. In addition, applying precise load and analysis on arbitrary point of slab is ensured based on the aligned-mesh.
Auto-mesh Function
Automesh function applied with high quality mesh generation algorithm ensures engineers to create a mesh automatically.
United Analysis Support
By integrating the modeling of the frame and slab/wall as a single unit, the time required for both analysis and design is significantly reduced.
Meshed Slab and Wall Design
MIDAS Gen offers slab, mat, wall, and shell design for meshed plate elements according to various international codes. The design process accounts for smooth moment and shear forces in slabs and walls. Additionally, static wind and seismic loads for flexible floors are automatically generated. Both one-way (strip) and two-way slab designs are supported.
Wood Armer Moment
Reinforced concrete with orthogonal as well as nonorthogonal structure can be designed considering the wood-armer moment and unbalanced moment.
Slab/Mat/Wall/Shell Design
It is capable of flexural and shear design for meshed slabs and mats, considering in-plane stresses for meshed slabs and mats, out-of-plane stresses for meshed walls, and both in-plane and out-of-plane stresses for meshed shells.
Various Application
Mesh function can be used for various structural modeling purposes. It accommodates standard construction structures such as flat slabs with perimeter beams, transfer plates, and mat foundations. Additionally, it supports complex structures including belt outrigger slab caisson, pumping plants, arch tubes, subway stations, composite plate girder bridges, and steel connections.
Transfer Plate, Mat Foundation
The high-quality and high-performance mesh generation system automatically builds meshes using the appropriate type (triangular/quadrilateral). This functionality streamlines the modeling step, allowing for easy and efficient structural modeling.
Special Structure
Unified modeling of frames, slabs, and walls reduces the time required for analysis and design, enabling engineers to efficiently implement the structural design of each element.

Capacity Design

RC Design
You can check the design results by selecting the code that meets the standards of each country. Results can be saved in various formats, such as picture files. Additionally, you can print out both simplified graphic summaries and detailed results needed for checking detailed calculations.
Concrete Frame, Slab, Wall Design
You can design by selecting a code that meets the standards of each country, such as material data and design code.
Ductile Design / Strong Column Weak Beam
It supports Strong column-week beam(SCWB) design wall and beam-column joint design according to the ductility class suggested by the standard.
SRC / Footing Design
Various types of SRC cross-sections are provided, and design according to specific requirements is supported for the construction of development materials in the construction stage analysis. The foundation is designed to provide the required amount of reinforcement to satisfy the optimized design criteria.
Supported Section & Code Type
Design Code of SSRC79, AIF-SRC01 JGJ138-01, AIK-SRC2K, TWN-SRC100 is provided
Composite Section for Construction Stage
By using the Composite Section for Construction Stage function, you can specify the composite section by separating it into different construction stages according to the actual construction process.
Steel Frame
You can check the design results by selecting the code that meets the standards of each country. The results can be saved in various formats, such as picture files. You can also print out a graphic summary of the results, along with detailed calculations needed for verification.
Optimal Design : Strength / Displacement
By considering the member forces from the analysis results and the input rebar information, optimal member design can be achieved according to the design code selected by the user.
Cold-formed Steel Design
It provides cold-formed steel for various cross-sectional shapes such as z-shape, c-shape and upright shape, and can be designed.

Capacity Design

RC Design
You can check the design results by selecting the code that meets the standards of each country. Results can be saved in various formats, such as picture files. Additionally, you can print out both simplified graphic summaries and detailed results needed for checking detailed calculations.
Concrete Frame, Slab, Wall Design
You can design by selecting a code that meets the standards of each country, such as material data and design code.
Ductile Design / Strong Column Weak Beam
It supports Strong column-week beam(SCWB) design wall and beam-column joint design according to the ductility class suggested by the standard.
SRC / Footing Design
Various types of SRC cross-sections are provided, and design according to specific requirements is supported for the construction of development materials in the construction stage analysis. The foundation is designed to provide the required amount of reinforcement to satisfy the optimized design criteria.
Supported Section & Code Type
Design Code of SSRC79, AIF-SRC01 JGJ138-01, AIK-SRC2K, TWN-SRC100 is provided
Composite Section for Construction Stage
By using the Composite Section for Construction Stage function, you can specify the composite section by separating it into different construction stages according to the actual construction process.
Steel Frame
You can check the design results by selecting the code that meets the standards of each country. The results can be saved in various formats, such as picture files. You can also print out a graphic summary of the results, along with detailed calculations needed for verification.
Optimal Design : Strength / Displacement
By considering the member forces from the analysis results and the input rebar information, optimal member design can be achieved according to the design code selected by the user.
Cold-formed Steel Design
It provides cold-formed steel for various cross-sectional shapes such as z-shape, c-shape and upright shape, and can be designed.

Seismic Design

Response Spectrum
In general, the response spectrum analysis method using mode analysis is primarily utilized as the dynamic analysis method. The advantage of this method in seismic design is that the response of each mode can be easily obtained using the design response spectrum, without the need for time history analysis.
Eigenvalue Analysis
Through eigenvalue analysis, the natural frequencies of the building are calculated, and the mode shapes based on the building's vibration periods are displayed.
Response Spectrum Analysis
MIDAS GEN provides response spectrum based on various international building codes.
Pushover Analysis
Pushover analysis of a 3-D frame structure used for performance based design in MIDAS GEN can be carried out for reinforced concrete, structural steel, masonry and steel-concrete composite sections.
Performance Point Calculation
The pushover analysis integrated into MIDAS GEN is a nonlinear static analysis method that effectively assesses the behavior and limit states of structures after yielding. Performance points can be easily determined using established equations such as those from ATC and FEMA.
Pushover Hinge for Various Member Types
Pushover hinge types offered by MIDAS GEN include Beam/Column, Wall, Truss, and General Link/Point Spring Support. Additionally, it supports fiber sections for more detailed analysis.
Inelastic Time History Analysis
For the seismic design and assessment of a structure, MIDAS GEN offers a wide range of hysteresis hinge models in the inelastic time history analysis. Supported hysteresis hinge models are as follows. • Kinematic Hardening, Origin-oriented, Peak-oriented, Cloug • Degrading Trilinear, Takeda / Slip/ Tetralinear, Modified Takeda / Tetralinear
Inelastic Hinge Property Type
The inelastic hinge element types provided by MIDAS GEN include Beam, Column, Wall, Truss, and General Link.
Seismic Device (Damper/ Isolator)
Boundary nonlinear elements are provided to analyze the inelastic behavior of structures caused by earthquake loads.

Seismic Design

Response Spectrum
In general, the response spectrum analysis method using mode analysis is primarily utilized as the dynamic analysis method. The advantage of this method in seismic design is that the response of each mode can be easily obtained using the design response spectrum, without the need for time history analysis.
Eigenvalue Analysis
Through eigenvalue analysis, the natural frequencies of the building are calculated, and the mode shapes based on the building's vibration periods are displayed.
Response Spectrum Analysis
MIDAS GEN provides response spectrum based on various international building codes.
Pushover Analysis
Pushover analysis of a 3-D frame structure used for performance based design in MIDAS GEN can be carried out for reinforced concrete, structural steel, masonry and steel-concrete composite sections.
Performance Point Calculation
The pushover analysis integrated into MIDAS GEN is a nonlinear static analysis method that effectively assesses the behavior and limit states of structures after yielding. Performance points can be easily determined using established equations such as those from ATC and FEMA.
Pushover Hinge for Various Member Types
Pushover hinge types offered by MIDAS GEN include Beam/Column, Wall, Truss, and General Link/Point Spring Support. Additionally, it supports fiber sections for more detailed analysis.
Inelastic Time History Analysis
For the seismic design and assessment of a structure, MIDAS GEN offers a wide range of hysteresis hinge models in the inelastic time history analysis. Supported hysteresis hinge models are as follows. • Kinematic Hardening, Origin-oriented, Peak-oriented, Cloug • Degrading Trilinear, Takeda / Slip/ Tetralinear, Modified Takeda / Tetralinear
Inelastic Hinge Property Type
The inelastic hinge element types provided by MIDAS GEN include Beam, Column, Wall, Truss, and General Link.
Seismic Device (Damper/ Isolator)
Boundary nonlinear elements are provided to analyze the inelastic behavior of structures caused by earthquake loads.

High-Rise Building

High-rise Analysis
MIDAS GEN includes a Construction Stage Analysis feature that accounts for time-dependent material properties. Changes in material properties are considered while simulating construction stages, reflecting changes in geometry, boundary conditions, and loads over time. Additionally, it supports design considerations for the influence of the upper structure due to ground deformation.
Construction Sequence
MIDAS GEN supports step-by-step analysis by considering the presence of formwork and the concrete curing period at each construction stage.
Soil-Structure Interaction
By linking the pile and soil support data to MIDAS GTS NX, MIDAS GEN facilitates the analysis of structures by considering the nonlinear properties of the ground.
Column Shortening
MIDAS GEN provides 3-D column shortening analysis that reflects changes in modulus, creep, and shrinkage. By calculating the additional stress due to differences in the shortening of vertical members, MIDAS GEN determines the appropriate compensation amount of reinforcing rebars. This process ensures the usability and structural stability of buildings
Time Dependent Material
The effects of creep and shrinkage, which are time-dependent material properties, can be considered.
Column Shortening Graph
Through Column Shortening analysis, you can easily check the amount of uneven shortening of vertical members through a graph.
Heat of Hydration Analysis
MIDAS GEN offers heat of hydration analysis capabilities through heat transfer and heat stress analyses. This feature reflects the changes in the modulus of elasticity due to maturity, the effects of creep and shrinkage, pipe cooling, and the concrete pour sequence across different construction stages.
Stresses and Temperature History Graphs
The heat of hydration analysis result can be output as a graph for the generated stress, allowable stress, temperature, and crack index of a specific part.

High-Rise Building

High-rise Analysis
MIDAS GEN includes a Construction Stage Analysis feature that accounts for time-dependent material properties. Changes in material properties are considered while simulating construction stages, reflecting changes in geometry, boundary conditions, and loads over time. Additionally, it supports design considerations for the influence of the upper structure due to ground deformation.
Construction Sequence
MIDAS GEN supports step-by-step analysis by considering the presence of formwork and the concrete curing period at each construction stage.
Soil-Structure Interaction
By linking the pile and soil support data to MIDAS GTS NX, MIDAS GEN facilitates the analysis of structures by considering the nonlinear properties of the ground.
Column Shortening
MIDAS GEN provides 3-D column shortening analysis that reflects changes in modulus, creep, and shrinkage. By calculating the additional stress due to differences in the shortening of vertical members, MIDAS GEN determines the appropriate compensation amount of reinforcing rebars. This process ensures the usability and structural stability of buildings
Time Dependent Material
The effects of creep and shrinkage, which are time-dependent material properties, can be considered.
Column Shortening Graph
Through Column Shortening analysis, you can easily check the amount of uneven shortening of vertical members through a graph.
Heat of Hydration Analysis
MIDAS GEN offers heat of hydration analysis capabilities through heat transfer and heat stress analyses. This feature reflects the changes in the modulus of elasticity due to maturity, the effects of creep and shrinkage, pipe cooling, and the concrete pour sequence across different construction stages.
Stresses and Temperature History Graphs
The heat of hydration analysis result can be output as a graph for the generated stress, allowable stress, temperature, and crack index of a specific part.

Nonlinear Analysis

Material Nonlinear Analysis
Material nonlinearity occurs when a material exhibits a nonlinear stress-strain or stress-displacement response. In such cases, the structure cannot be modeled using linear properties. MIDAS GEN supports material models for analyzing steel and concrete structures with nonlinear behavior, including the nonlinear properties of steel, concrete, and masonry.
Concrete Model
The supported material nonlinear models for concrete are as follows. • Kent & Park Model, Trilinear Model • China Model, Japan Concrete Standard…
Steel Model
The supported material nonlinear models for steel are as follows. • Menegotto-Pinto Model, Bilinear Model • Trilinear Steel Model, Park Model…
Boundary Nonlinear Analysis
Boundary nonlinearity occurs when the boundary or contact surface of a structure changes over time. MIDAS GEN supports time history analysis that considers boundary nonlinearity, allowing for the analysis and evaluation of seismic isolators and dampers. It also provides models for gap, hook, and hysteretic systems, enabling a comprehensive analysis of various boundary conditions and their effects on structural behavior.
Nonlinear Spring
Multilinear elastic connection spring type of boundary nonlinear is supported by selecting the tensile and compressive stiffness of the link element.
Seismic Device(Damper/Isolator)
Boundary nonlinear elements are provided to analyze the inelastic behavior of structures caused by seismic loads.
Geometry Nonlinear Analysis
Large displacement analysis encountered in cable supported structures, cable net structures, long span strcutrues,etc. can be performed reflecting the change in geometrical deformations.
Cable Element
By applying the catenary element, the nonlinearity of the cable can be accurately considered.
Buckling & P-Delta Analysis
It provides dynamic analysis capabilities for determining the buckling shape and critical buckling load factor by mode. Additionally, it supports the P-Delta effect for both general static and nonlinear analysis.

Nonlinear Analysis

Material Nonlinear Analysis
Material nonlinearity occurs when a material exhibits a nonlinear stress-strain or stress-displacement response. In such cases, the structure cannot be modeled using linear properties. MIDAS GEN supports material models for analyzing steel and concrete structures with nonlinear behavior, including the nonlinear properties of steel, concrete, and masonry.
Concrete Model
The supported material nonlinear models for concrete are as follows. • Kent & Park Model, Trilinear Model • China Model, Japan Concrete Standard…
Steel Model
The supported material nonlinear models for steel are as follows. • Menegotto-Pinto Model, Bilinear Model • Trilinear Steel Model, Park Model…
Boundary Nonlinear Analysis
Boundary nonlinearity occurs when the boundary or contact surface of a structure changes over time. MIDAS GEN supports time history analysis that considers boundary nonlinearity, allowing for the analysis and evaluation of seismic isolators and dampers. It also provides models for gap, hook, and hysteretic systems, enabling a comprehensive analysis of various boundary conditions and their effects on structural behavior.
Nonlinear Spring
Multilinear elastic connection spring type of boundary nonlinear is supported by selecting the tensile and compressive stiffness of the link element.
Seismic Device(Damper/Isolator)
Boundary nonlinear elements are provided to analyze the inelastic behavior of structures caused by seismic loads.
Geometry Nonlinear Analysis
Large displacement analysis encountered in cable supported structures, cable net structures, long span strcutrues,etc. can be performed reflecting the change in geometrical deformations.
Cable Element
By applying the catenary element, the nonlinearity of the cable can be accurately considered.
Buckling & P-Delta Analysis
It provides dynamic analysis capabilities for determining the buckling shape and critical buckling load factor by mode. Additionally, it supports the P-Delta effect for both general static and nonlinear analysis.