Advanced Concepts 1 min read
Collapse Mechanism
So for our previous beam, we know that we require two hinges for collapse (one more than its degree of…
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Advanced Concepts 4 min read
Shape Factor
Thus the ratio of elastic to plastic moment capacity is: This ratio is termed the shape factor,f, and is a property…
Advanced Concepts 5 min read
Statically indeterminate axial problems
In these analyses we used superposition often, knowing that for a linearly elastic structure it was valid. However, an elastic…
Advanced Concepts 10 min read
Plastic Analysis of Steel Structures
Introduction to Plastic Analysis: Analysis of stress, deflection and distortion determinations within the limit of proportionality of the material of…
Advanced Concepts 1 min read
Triangular Elements
Shape function using Cartesiancoordinates Higher Order Triangular Elements Higher order elements are useful if the boundary of the geometry is…
Advanced Concepts 9 min read
Plane Stress and Plane Strain
Plane Stress Analysis Fig. 1 shows the important facts about plane stress analysis. The structural region is assumed to lie…
Advanced Concepts 5 min read
Plastic analysis
In plastic analysis and design of a structure, the ultimate load of the structure as a whole is regarded as…
Advanced Concepts 7 min read
Stiffness Method for One-Dimensional Truss Elements
We will look at the development of the matrix structural analysis method for the simple case of a structure made…
Advanced Concepts 3 min read
Discretization
Discretization refers to the process of translating the material domain of an object-based model into an analytical model suitable for analysis.…
Advanced Concepts 4 min read
Hints and tips on finite element analysis
Don’t rely on one run. Refine the mesh in areas of high stress, repeat two or three times, check the…
