Singularities and Loads
The following table shows combinations of loads and different types of entities that can result in infinite stresses or displacements:
Load
Beam
Shell
Solid
Point
disp
stress
ok
ok
disp
stress
ok
disp
stress
1
1
Line, Edge
disp
stress
ok
ok
disp
stress
ok
ok
disp
stress
2
2
Surface, Face
disp
stress
n/a
n/a
disp
stress
ok
ok
disp
stress
ok
ok
1. Timoshenko and Goodier, Theory of Elasticity, 3rd ed., McGraw-Hill Book Co. Section 36: Concentrated Force at a Point of a Straight Boundary.
2. Timoshenko and Goodier, Theory of Elasticity, 3rd ed., McGraw-Hill Book Co. Section 138: Force on Boundary of a Semi-infinite Body.
This information also applies to temperatures and fluxes that result from heat loads, convection conditions, and prescribed temperatures in Thermal.
Return to Singularities.
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