This example is also cantilever beam. but it use COMSOL Multiphysics (6.0 version)
Run COMSOL - 2D - Beam (beam) - Add - Study
General Studies - Stationary - Done
Set Unit System : None
Right-click the Geometry - More Primitives - Polygon
Start point : (0, 0)
End point : (120, 0)
Linear Elastic Material
Young's modulus : 29e6
∵29e3 ksi = 29e6 psi = 29e6 lb/in^2
Poisson's ratio : 0
Density : 0
Cross-Section Data
Area : 8.84
Moment of inertia about local z-axis : 170
define the constraints
right-click the Beam - Fixed Constraint - select the left node
right-click the Beam - Point Load - select the right node
Force : -4.5e3
create Mesh
Mesh - Build All
Study - Compute
Right-click the Results - 2D Plot Group - Line - Plot
Maximum Displacement : 0.52576
Analytical solution : 0.5258
Results of COMSOL and the analytical solution are the same
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