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[Example] Rockfall and rock mass collapse simulation

[Example] Rockfall and rock mass collapse simulation

The analysis results of the rockfall simulation using the 3D discrete element method were processed with GLview Inova.

【Case Overview】 ■Product Name: GLview Inova ■Analysis: Other ■Industry: Other Using the three-dimensional finite element method, we conducted a rockfall simulation. To clearly display the analysis results of rock masses collapsing while colliding with slopes, it is necessary to smoothly animate many analysis steps. GLview Inova enables smooth animation display, and by installing the free plugin (GLview 3D Plugin), it can be displayed as a three-dimensional model on a web page. Users can view the analysis results from any direction while running the animation. □For other features and details, please refer to the catalog.

  • others

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Safety Standards Verification & Reporting Tool 'SDC Verifier'

Safety Standards Verification & Reporting Tool 'SDC Verifier'

You can perform everything from specification verification to report creation!!!

【Features】 ◆ Load Creation and Management Easily create combinations of FEM loads, combinations of FEM analysis results, load groups, and load cycles, as well as cycle loads and proportional loads used for fatigue evaluation. ◆ Detection Tools Equipped with the ability to automatically detect complex structural elements such as frames, panels, plates, beam members, and joints, and calculate their dimensions. ◆ Standard Verification Capable of evaluating buckling of plates and beam structures, strength evaluation of tube structures, strength and buckling evaluation of frame structures such as cranes, and welding fatigue evaluation according to BS7608. ◆ Report Generation FEM analysis results, standard verification results, and contour diagrams can be directly incorporated into reports. There is a template function that allows for the reuse of a series of calculation processes. 【Application Examples】 ○ Evaluation of welding fatigue safety factors ○ Integrity evaluation of crane structural components against wind loads ○ Buckling evaluation of hull panels

  • Crane and others

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Rotating body and bearing coupled analysis software 'MADYN2000'

Rotating body and bearing coupled analysis software 'MADYN2000'

We lead in the analysis of rotating bodies using specialized software for fluid film bearings, magnetic bearings, and coupled analysis with bearings, as well as optimization CAE analysis techniques.

MADYN2000 is a finite element software developed by experts in bearings for coupled analysis of rotating bodies and bearings. It allows for smooth performance analysis of rotating bodies, optimization analysis of various parameters of bearings, and coupled analysis with active magnetic bearings and their PID control systems. The calculation of support stiffness for rolling bearings utilizes software and libraries from Swiss company MESYS AG. 【Features】 ⇒ User-friendly with a sophisticated Windows interface. ⇒ Easy model creation with copy and paste functionality for input data. ⇒ Smooth unit selection and conversion with unit assistance features. ⇒ Developed on the MATLAB platform, facilitating collaboration with experimental data processing. Executable analysis functions (rotating bodies: lateral and torsional vibrations) - Support load analysis - Complex eigenvalue analysis at rated speed - Frequency response and unbalance analysis - Transient response and speed-up analysis - Parameter variable analysis → Campbell diagram → Critical speed map → Sensitivity analysis of support stiffness and dampers → Sensitivity analysis of coupling stiffness

  • Scientific Calculation and Simulation Software

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[Example] Analysis of Aluminum Frame Structure

[Example] Analysis of Aluminum Frame Structure

Automatically calculate beam cross-section performance from CAD data!!!

【Case Summary】 ■Product Name: NX Nastran ■Industry: Architecture Using high-rigidity lightweight aluminum extrusion materials, various frame structures can be assembled. When designing these structures, it is necessary to investigate the deformations, stresses, and vibration characteristics that occur during use to ensure functionality and safety. In FEM analysis of frame structures, it is common to model them using beam elements; however, the cross-section of aluminum extrusion materials is complex, and traditional beam element outputs cannot display the characteristics of detailed sections. On the other hand, modeling thin-walled structures with solid elements is challenging, and creating high-quality meshes results in large models that require substantial computational resources and high-performance post-processing. This example introduces the applicability of Femap with NX Nastran for such analyses. ◎ For more detailed information, please refer to the catalog or contact us directly.

  • Architectural CAD

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[Example] Vibration of liquid tanks and sloshing of liquid surfaces during an earthquake.

[Example] Vibration of liquid tanks and sloshing of liquid surfaces during an earthquake.

Case study using seismic waves from the Great East Japan Earthquake!!

**Case Summary** ■Product Name: NX Nastran ■Industry: Construction There are many structural forms for containers that store liquids and their supports. During an earthquake, the dynamic liquid pressure caused by sloshing of the liquid surface in the tank acts on the container's side walls and bottom plate, resulting in damage to the tank and rocking vibrations that can cause parts of the bottom plate to lift, leading to tank damage. This case study utilized the virtual fluid boundary and phantom elements of NX Nastran to perform transient response analysis on three types of tanks, as shown in the figure on the right, using the seismic waves from the 2011 Great East Japan Earthquake (M9). Below, we present the sloshing behavior during the earthquake and the distribution of dynamic liquid pressure. * Downloaded from K-NET For more detailed information, please refer to the catalog or contact us directly.

  • Scientific Calculation and Simulation Software

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Introduction to a general-purpose CAE pre/post-processor for finite element method analysis!

Introduction to a general-purpose CAE pre/post-processor for finite element method analysis!

A comprehensive analysis solution with a main CAD and solver interface. Model creation and evaluation can be achieved with this single tool, and customization via API is also possible!

Femap is software that provides pre- and post-processing capabilities for finite element method (FEM) analysis running on Windows. It integrates a series of tasks from geometry creation/modification to finite element model creation and post-processing, offering an efficient and streamlined working environment. Additionally, it features interfaces compatible with numerous CAD data and solvers, allowing for a high degree of versatility and the ability to encompass CAE from a neutral standpoint, making it possible to serve as a central component of analysis solutions. The features available in Femap include: - Comprehensive CAD/analysis program interfaces - Fast generation of high-quality meshes - Efficient creation of finite element models - User interface focused on ease of use - Diverse and effective result display functions - Advanced customization capabilities

  • Scientific Calculation and Simulation Software

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Automotive Analysis Case Studies

Automotive Analysis Case Studies

Collection of automotive-related analysis cases!! There are various examples, so please take a look.

This is a collection of analysis cases including shape optimization analysis, nonlinear transient analysis of brake rotors, pressure distribution analysis of brake pads, and behavior analysis of diaphragm springs through nonlinear static analysis. Additionally, there are analysis cases not included in the collection, so please contact us if you are interested in any specific analysis case.

  • Scientific Calculation and Simulation Software

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Collection of Examples Related to Electricity and Electronics

Collection of Examples Related to Electricity and Electronics

Collection of case studies related to electricity and electronics!! There are various examples, so please take a look!!!

This is a collection of analysis examples including the stability (behavior) analysis of washing machines, the eigenvalue optimization analysis of magnetic heads, the frequency response analysis of traveling wave ultrasonic motors, and induction heating analysis, among others. Additionally, there are analysis cases not included in the collection, so please contact us if you are interested in any specific analysis cases.

  • Scientific Calculation and Simulation Software

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[Example] External Super Element 1

[Example] External Super Element 1

Reduction of analysis costs, enhancement of information security!!!

【Case Overview】 ■Product Name: NX 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 limited number of analysis specialists. There has been no pre- and post-processing tool that fully supports SE analysis, and the data creation process has been complicated, which has hindered its widespread adoption until now. Femap has started to support external Super Elements for Nastran from version 11. In this case study, we will use an assembly model from the Femap example collection to demonstrate that SE analysis can be used by anyone with Femap v11.

  • Scientific Calculation and Simulation Software

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[Example] Linear static analysis considering initial bolt load

[Example] Linear static analysis considering initial bolt load

Linear static analysis using beam elements and bar elements for bolt connection parts!!!

**Case Summary** ■Product Name: NX Nastran ■Industry: Mechanical Components NX Nastran allows for various analyses considering pre-tensioned bolts (linear static analysis, nonlinear static analysis SOL601, linear buckling analysis, etc.). Using the Femap interface, modeling of bolt connections with beam elements, bar elements, and solid elements, as well as the setting of bolt loads, can be done easily. This case modeled the bolts using bar elements and solid elements and compared the results from both methods. Two fittings with a surface static friction coefficient of 0.15 were fastened with M10 bolts. An axial force of 150 kgf was applied, with one side fixed, and a linear static analysis was performed (Figure 1). The comparison of results from the bar elements and solid elements showed that the maximum and minimum Mises stress values and the maximum and minimum displacement values for the two fittings were the same for both methods. ● For more features and details, please download the catalog.

  • Scientific Calculation and Simulation Software

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Introduction to a top-class finite element solver.

Introduction to a top-class finite element solver.

A solution that incorporates high reliability, proven results, and the latest analytical technologies abundantly.

NASTRAN is an analysis program born from space programs 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. NX Nastran inherits this high reliability and proven performance while incorporating the latest analysis technologies, making it a suitable solution 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 including Windows, UNIX, and Linux - Supports 64-bit modules, memory-sharing 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 many other diverse modules available, so please contact us for more detailed information.

  • Scientific Calculation and Simulation Software

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[Case Study] Nonlinear Transient Response Analysis: Simulation of Collision between Space Debris and Satellites

[Case Study] Nonlinear Transient Response Analysis: Simulation of Collision between Space Debris and Satellites

Simulation of collisions between space debris and satellites!!!

◆◆Publication Content◆◆ ○Simulation of collision between space debris and satellites using nonlinear transient response analysis (NX Nastran SOL701) ○Keywords: nonlinear transient response analysis, explicit method, space development, debris collision, contact, large deformation and strain, plastic failure ○Case Overview ●For other features and details, please download the catalog.

  • Scientific Calculation and Simulation Software

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[Example] Free Surface Motion Simulation

[Example] Free Surface Motion Simulation

Analysis of the sloshing phenomenon when the bottom of the tank is excited horizontally using the virtual fluid boundary and phantom elements of NX Nastran.

【Case Overview】 Containers for storing liquids, such as water tanks and oil tanks, experience a sloshing phenomenon where the free surface of the liquid inside the container oscillates at relatively low frequencies when subjected to vibrations. In this analysis, we utilized the virtual fluid boundary and phantom elements of NX Nastran to analyze the characteristics when the bottom of the tank is excited in the horizontal direction. *Note: Fluid can be modeled without creating elements.* □ For other functions and details, please refer to the catalog.

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[Case Study] Buckling Analysis of Thin-Walled Frame Structures

[Case Study] Buckling Analysis of Thin-Walled Frame Structures

We performed advanced nonlinear analysis using NX Nastran for the elastic-plastic buckling problem of frame structures.

【Case Summary】 ■Product Name: NX Nastran ■Analysis: Nonlinear Static Analysis ■Industry: Mechanical Components Buckling is a deformation that exhibits very strong nonlinear characteristics. When buckling occurs, the strength and stiffness of the structure decrease sharply, leading to instability. Thin-walled frame structures, like the one shown on the right, have many failure modes, and buckling can cause extremely large deflections in the frame. Since part of the model may return from an elastic state to a plastic state and vice versa, the analysis becomes quite complex. This analysis example presents the results of advanced nonlinear analysis using NX Nastran for the elasto-plastic buckling problem of frame structures. □ For other features and details, please refer to the catalog.

  • Scientific Calculation and Simulation Software

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[Example] Buckling Analysis of Shell Structures

[Example] Buckling Analysis of Shell Structures

We performed advanced nonlinear analysis using NX Nastran for the nonlinear buckling problem of shell structures.

【Case Overview】 ■Product Name: NX Nastran ■Analysis: Nonlinear Static Analysis ■Industry: Other Buckling is a deformation that exhibits very strong nonlinear characteristics. When buckling occurs, the strength and stiffness of the structure decrease sharply, leading to instability. Shell structures, like the one shown in the right diagram, are thin-walled and therefore have many local failure modes in addition to overall compressive buckling. During the buckling process, there is also contact within the shell itself. This analysis example presents the advanced nonlinear analysis results of NX Nastran for the nonlinear buckling problem of shell structures. □For other features and details, please refer to the catalog.

  • Scientific Calculation and Simulation Software

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