ME EN 504

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(Me En-CE En) Computer Structural Analysis and Optimization

Mechanical Engineering Ira A. Fulton College of Engineering

Course Description

Matrix stiffness method for 1D, 2D, and 3D skeletal structure classes. Implementing the matrix stiffness method as a computer program. Nonlinear second-order structural analysis. Structural optimization techniques including stress-ratio method, gradient-based methods, and genetic algorithms.

When Taught

Contact Department

Min

3

Fixed/Max

3

Fixed

3

Fixed

0

Title

Execute Structural Software

Learning Outcome

Prepare input for linear analysis, nonlinear pushover analysis, gradient-based size optimization, and genetic-based size/shape/topology optimization programs for plane frames.

Title

Stress Ratio and Exhaustive Search

Learning Outcome

Determine the number of FLOPS and perform the calculations for stress ratio optimization and exhaustive search, and construct design space plots if possible.

Title

Matrix Vector Operations

Learning Outcome

Determine the number of FLOPS and perform the calculations for matrix-vector operations including triangularization, backsubstitution, Newton-Raphson iteration, and inverse iteration.

Title

Member Stiffness and Force

Learning Outcome

Construct global and local member stiffness matrices and force vectors for any skeletal class and any distributed loading.

Title

Structure Stiffness and Force

Learning Outcome

Construct structure matrices and vectors for both force and support displacement loads exploiting symmetry/antisymmetry and deformation assumptions.

Title

Second Order Analysis

Learning Outcome

Derive first/second order equilibrium/compatibility equations, buckling loads/displacements, and structure elastic/geometric stiffness matrices for small trusses and single-member frames.

Title

Genetic Algorithms

Learning Outcome

Determine the number of FLOPS and perform the calculations for genetic algorithms with penalty/segregation fitness, tournament/roulette selection, point/uniform/blend crossover, dynamic mutation, and ranking/scoring/maximin fitness.

Title

Optimality Criteria Algorithms

Learning Outcome

Determine the number of FLOPS and perform the calculations for finite difference / virtual work sensitivity analysis, Kuhn-Tucker condition evaluation, and optimality criteria algorithm.

Title

Member Results

Learning Outcome

Construct member displacement vectors and free-body diagrams for any skeletal class.

Title

Analysis Program Organization

Learning Outcome

Write down the basic organization and calling structure of a structural analysis program, and complete the pseudo-code for structure level routines.