更新日： 集計期間:Oct 15, 2025～Nov 11, 2025
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General-purpose finite element method analysis
Nastran is widely used across all major manufacturing sectors and has unique features such as system modeling/substructuring (super elements), dynamic response analysis, and solution customization (DMAP), making it the industry standard for advanced system-level analysis in the automotive, aerospace, defense, heavy machinery, and shipbuilding industries.
![[Example] Rotor Dynamics](https://image.mono.ipros.com/public/product/image/1c4/2000006048/IPROS2964467655023854062.jpg?w=280&h=280)
Introducing the rotational system analysis capabilities of Simcenter Nastran!!!
**Case Overview** ■Product Name: Simcenter Nastran ■Analysis: Eigenvalue analysis, linear transient analysis, frequency response analysis ■Industry: Mechanical components Stable operation is extremely important for various rotating machinery such as turbines, jet engines, generators, fluid equipment, and electric products, and vibration prevention is an essential challenge. In this example, we will introduce the rotating system analysis capabilities of Simcenter Nastran using a representative model of rotor dynamics. □ For other features and details, please refer to the catalog.
A solution that incorporates high reliability, proven results, and the latest analytical technologies abundantly.
NASTRAN is an analysis program born from a space program where failure is not an option, and for over 40 years, it has maintained high reliability and a proven track record in meeting the stringent demands of various fields such as aerospace/defense, construction, automotive, shipbuilding, machinery, and electrical/electronics. Simcenter Nastran inherits this high reliability and proven track record while incorporating the latest analysis technologies, making it a solution suitable for the 21st century. 【Features】 - Supports large-scale problems and advanced nonlinear analysis - Flexible selection of the number of implementations based on analysis content - Operates on multiple operating systems such as Windows, UNIX, and Linux - Supports 64-bit modules, memory-shared parallel processing, and parallel processing on cluster machines 【Available Analyses】 - Linear static analysis: SOL101 - Eigenvalue analysis: SOL103 - Buckling analysis: SOL105 - Steady-state heat conduction analysis: SOL153 - Transient heat conduction analysis: SOL159 - Linear transient analysis: SOL109/112 - Frequency response analysis: SOL108/111 - Response spectrum analysis: SOL109/112, etc. *There are also various other modules available, so please contact us for more detailed information.
Creating geometry and analysis models, executing analyses, and post-processing, all realized in one software!!
【Features】 ○ A structural analysis solution that combines the pre- and post-processor "Simcenter Femap" with the analysis solver "Simcenter Nastran." ○ The entire process of creating analysis models, performing analyses, and displaying results from shape data created in 3D-CAD is realized in one software on a single PC. ○ High operability. ○ Easy to implement pricing. ◎ For more detailed information, please refer to the catalog or contact us directly.
![[Example] Vibration of liquid tanks and sloshing of the liquid surface during an earthquake.](https://image.mono.ipros.com/public/product/image/3d7/2000246820/IPROS13742124745136167881.jpg?w=280&h=280)
Case study using seismic waves from the Great East Japan Earthquake!!
**Case Overview** ■Product Name: Simcenter Fema with Nastran ■Industry: Construction There are many structural forms for containers that store liquids and their supports. During an earthquake, the sloshing of the liquid surface inside the tank generates dynamic liquid pressure that acts on the container's side walls and bottom plate, leading to tank damage and rocking vibrations that can cause parts of the bottom plate to lift, resulting in tank damage. This case study utilized the virtual fluid boundary and phantom elements of Simcenter Nastran to perform transient response analysis on three types of tanks, as shown in the right diagram, using the seismic waves from the 2011 Great East Japan Earthquake (M9). Below, we present the sloshing behavior and dynamic liquid pressure distribution during the earthquake. * Downloaded from K-NET For more detailed information, please refer to the catalog or contact us directly.
A full hull model close to the actual structure was created, and strength analysis of the model was conducted.
**Case Summary** ■Product Name: Simcenter Femap with Nastran ■Analysis: Linear Static Analysis ■Industry: Railways and Shipping Finite element method strength calculations are widely used in hull design. The hull structure, composed of many components such as decks, side plating, double bottoms, bulkheads, and longitudinal and transverse strength frames, is complex, making it difficult to analyze just a part of it. This example created a full model close to the actual structure and conducted a strength analysis of the entire hull model. - The mesh generation feature of Simcenter Femap allows for the creation of complex hull FEM models. - Creation and management of loads such as static/dynamic water pressure and cargo conditions. - Improved computational efficiency through continuous analysis of multiple load cases. - The parallel processing capability of Simcenter Nastran enables analysis of large-scale models. □ For other features and details, please refer to the catalog.
![[Example] External Super Element](https://image.mono.ipros.com/public/product/image/a85/2000287452/IPROS12991548833288296843.jpg?w=280&h=280)
Reduction of analysis costs, enhancement of information security!!!
【Case Overview】 ■Product Name: Simcenter Femap with Nastran There has been an image that Super Elements (SE) are only applicable in the aerospace and automotive fields and can only be used by a few dedicated analysts. There has been no pre-post that fully supports SE analysis, and the data creation process has been complicated, which has hindered its widespread adoption until now. Simcenter Femap supports external Super Elements from Simcenter Nastran, making SE analysis accessible to everyone.
Advanced analysis with multiple methods is possible! An integrated pre-post system capable of complex finite element modeling.
"Simcenter Femap" is a highly integrated CAE tool that combines the preprocessor "Femap" and the finite element method solver "Simcenter Nastran." With Femap, complex finite element modeling can be performed with simple operations, and Simcenter Nastran enables a variety of advanced analyses, including linear static analysis, eigenvalue analysis, nonlinear analysis, and heat transfer analysis. Additionally, Femap can be customized through an API, and our company offers API development services. 【Femap Pre/Post Features】 ■ Seamless access to CAD data ■ Support for multiple solvers ■ User-friendly GUI ■ Meshing toolbox ■ Powerful auto-mesh functionality ■ Advanced post-processing capabilities *For more details, please refer to the PDF materials or feel free to contact us.
![[Example] Rotating Dynamics Eigenvalue Analysis](https://image.mono.ipros.com/public/product/image/f34/2000006050/IPROS3151219894093263634.jpg?w=280&h=280)
We conducted a modal complex eigenvalue analysis at the specified rotation speeds to investigate the whirling modes due to rotation, changes in damping, and critical speeds.
**Case Overview** ■Product Name: Simcenter Nastran ■Analysis: Modal Analysis of Natural Frequencies ■Industry: Other The vibration characteristics of rotating bodies exhibit whirl motion due to centrifugal force, tilt vibrations, and gyroscopic effects as the axis rotates, resulting in changes in eigenvalues. When the direction of rotation and whirl motion align, it is referred to as forward whirl; when they are opposite, it is called backward whirl. When the rotational speed matches the eigenvalue of the axis, the amplitude of the whirl increases, leading to instability in the rotating system and potential damage to components. The speed at this point is referred to as the critical speed. In this analysis, modal complex eigenvalue analysis was conducted for specified rotational speeds to investigate the whirl modes induced by rotation, changes in damping, and critical speeds. □ For other functions and details, please refer to the catalog.
![[Example] Efficiency improvement of repetitive calculations using the super element function.](https://image.mono.ipros.com/public/product/image/d44/2000243934/IPROS8922226867355546389.jpg?w=280&h=280)
Reduce the computational load of large-scale models!! It can also be utilized for information security!!
**Case Overview** ■Product Name: Simcenter Femap with Nastran ■Industry: Mechanical Components The super-element feature of Simcenter Nastran reduces computational load by dividing large models for analysis or by simplifying parts of the model (external super-elements), thus making the analysis model smaller and shortening computation time when changes are made to other parts. In this case, we validated the analysis accuracy and evaluated the reduction in computation time by simplifying the unchanged boss section as an external super-element and analyzing it in conjunction with the mesh model of the blade section during the eigenvalue design of the fan blades. This method saves computation time, especially in design phases where performance evaluations and repeated calculations at the component level are common, and the more unchanged parts there are, the more significant the benefits. Additionally, by converting in-house component models into super-elements and providing them to other companies, the shapes can be treated as black boxes, thus enhancing information security. □ For other features and details, please refer to the catalog.
A case study of modeling the vehicle body structure and the acoustic space inside the cabin, and conducting coupled frequency response analysis.
We would like to introduce our analysis of "Cabin Acoustic Characteristics of Tracks Using Acoustic Coupled Analysis Function." In recent years, considering low noise environments has become very important. It is effective to use finite element method analysis to understand the acoustic characteristics of the cabin during the design phase and to reduce noise transmission to the operator through structural considerations. In this case, we used the Simcenter Nastran structural-acoustic coupled analysis function to model the vehicle body structure and the acoustic space within the cabin, conducting a coupled frequency response analysis to determine the acoustic transmission characteristics from the vehicle body mounting points to the operator's ear position. 【Case Overview】 ■ Function Used: Simcenter Nastran Structural-Acoustic Coupled Analysis Function ■ Analysis Content - Model the vehicle body structure and the acoustic space within the cabin - Conduct coupled frequency response analysis - Determine the acoustic transmission characteristics from the vehicle body mounting points to the operator's ear position *Detailed information about the case can be viewed through the related links. For more details, please feel free to contact us.
Finite element method-based crack propagation analysis! Supports multiple crack front edges, multiple cracks, and multiple loading cases.
"FRANC3D" is a 3D fracture analysis software that enables the predictive analysis of crack growth in complex mechanical structural components and the evaluation of their service life. There are no limitations on the shape of components, local loading conditions, or the evolving crack shapes, regardless of complexity. Additionally, it is designed to be used in combination with general-purpose finite element (FE) analysis programs, and currently supports interfaces with three commercial programs: ANSYS, ABAQUS, and NASTRAN. 【Features】 ■ Utilizes reliable existing FE solvers and initial mesh models ■ Submodel meshing for high-precision arbitrary crack growth analysis ■ User-controlled crack growth laws for kink angles and increments ■ Fatigue model that allows for the definition of relative crack propagation ■ Multiple cracks with multiple crack surfaces and loading configurations *For more details, please refer to the PDF materials or feel free to contact us.
