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Nastran CoFE

10-bar Truss Shape & Sizing

vtpasquale/NASTRAN_CoFE

Nastran CoFE

vtpasquale/NASTRAN_CoFE

Home
1. Getting Started
2. Examples
2. Examples
- a. Analysis
  a. Analysis
  - 72-bar Truss Analysis
- b. Optimization
  b. Optimization
  - 10-bar Truss Sizing
  - 10-bar Truss Shape & Sizing 10-bar Truss Shape & Sizing
    Table of contents
    
    Results
  - Svanberg Beam Optimization
  - 72-bar Truss Optimization
3. User Guide
3. User Guide
- Element Guide
- Output Data
4. Developer Guide
4. Developer Guide
5. Quick Reference Guide
5. Quick Reference Guide
- Quick Reference Guide
- Bulk data entries
  Bulk data entries
  - CBAR
  - CBEAM
  - CMASS1
  - CORD2C
  - CORD2C
  - CORD2S
  - CQUAD4
  - CROD
  - CTRIA3
  - EIGRL
  - FORCE
  - GRAV
  - GRDSET
  - GRID
  - LOAD
  - MAT1
  - MDLPRM
  - MOMENT
  - PARAM
  - PBAR
  - PBEAM
  - PBEAML
  - PLOAD4
  - PMASS
  - PROD
  - PSHELL
  - RBE2
  - RBE3
  - SPC
  - SPC1
  - SPCD
  - SPOINT
- Case control entries
  Case control entries
  - ANALYSIS
  - DISPLACEMENT
  - EKE
  - ESE
  - FORCE
  - LABEL
  - LOAD
  - METHOD
  - SET
  - SPC
  - SPCFORCES
  - STRAIN
  - STRESS
  - SUBCASE
  - SUBTITLE
  - TITLE
- Executive control entries
  Executive control entries
  - SOL

10-bar Truss Shape & Sizing

The 10-bar truss optimization problem described here was modified so the x and z positions of top right and top middle nodes were design variables.

Cofe example files are located here:

NASTRAN_CoFE/examples/1002_ten_bar_truss_shape_and_sizing_optimization/

Results

10-bar truss initial.

10-bar truss final.