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Collapse Mechanism
So for our previous beam, we know that we require two hinges for collapse (one…
Posted inAdvanced Concepts
Shape Factor
Thus the ratio of elastic to plastic moment capacity is: This ratio is termed the shape…
Posted inAdvanced Concepts
Statically indeterminate axial problems
In these analyses we used superposition often, knowing that for a linearly elastic structure it…
Posted inAdvanced Concepts
Plastic Analysis of Steel Structures
Introduction to Plastic Analysis: Analysis of stress, deflection and distortion determinations within the limit of…
Posted inAdvanced Concepts
Triangular Elements
Shape function using Cartesiancoordinates Higher Order Triangular Elements Higher order elements are useful if the…
Posted inAdvanced Concepts
Plane Stress and Plane Strain
Plane Stress Analysis Fig. 1 shows the important facts about plane stress analysis. The structural…
Posted inAdvanced Concepts
Plastic analysis
In plastic analysis and design of a structure, the ultimate load of the structure as…
Posted inAdvanced Concepts
Stiffness Method for One-Dimensional Truss Elements
We will look at the development of the matrix structural analysis method for the simple…
Posted inAdvanced Concepts
Discretization
Discretization refers to the process of translating the material domain of an object-based model into an…
Posted inAdvanced Concepts
Hints and tips on finite element analysis
Don’t rely on one run. Refine the mesh in areas of high stress, repeat two…