Mar 15, 2016 Nastran from Hypermesh for MODAL ANALYSIS. I am not able to do this directly. I am currently using Hypermesh as preprocessor, then Msc. Patran to set up the solver deck because Msc. A modal or natural frequency analysis (also known as normal modes or eigenvalue analysis) forms the basis of several other dynamic analyses, including the modal approach formulations and response spectrum analysis.
WORKSHOP PROBLEM 14a Modal Analysis of a Beam MSCNASTRAN 102 Exercise Workbook 14a1 Objectives Perform normal modes analysis of a cantilever beam. The Nastran model is not solved in Hypermesh but either in the command line using the Nastran line command or in Windows using Nastran 2005.
1 GUI. There are a few lines that need to be manually added to the Nastran input file (. dat file) Analysis Setup: HyperMesh Capabilities HM is a solver neutral preprocessor Use or Collectors Card Editor panels to check card images of all collectors Nastran Subcase Manager, Part Info, 1D Property Table, etc. Jan 31, 2011 Modal Analysis (Free Vibration) of a 2D Plate. Preprocessing via Altair Hypermesh (Part 1). Solution via MD Nastran (Part 2). Postprocessing via Altair Hyperview (Part 3) Section 22: Modal Analysis Exercise.
Products and versions covered. From the ribbon, click Environments, and Autodesk Nastran InCAD. You should see this: 2. Define the Physical Properties. Click Physical from the ribbon.
Click Manual from the Contacts panel in the ribbon. For the FE analysis, the mesh is created in Altair HyperMesh and modal analysis is performed using Altair Optistruct version 13. Measurement locations for experimental modal testing are arrived based on modal analysis using FE.
WORKSHOP 15 Modal Analysis of a Flat Plate MSC. Nastran 105 Exercise Workbook 193 Model Description: For this example, use Lanczos method to find the first five natural frequencies and mode shapes of a flat rectangular plate. Modal Analysis with Altair OptiStruct HyperMesh Some hints Another output that is often useful in modal analysis is element strain energies.
Optimization is often very simple and effective when applied to modal problems. The setup in HyperMesh makes gauge optimization very easy. Feb 01, 2011 Modal Analysis (Free Vibration) of a Curved Blade.
Preprocessing via Altair Hypermesh (Part 1). Solution via MD Nastran (Part 2). Postprocessing via Altair Hyperview (Part 3) HyperMesh 12. 0 Tutorials Nastran Solver Interface Al tair Engineering Support Contact Information Web site Location Telephone email