Calculating nodal displacements using Local and Global Stiffness Matrix EXAMPLE (Part 2 of 2)
Автор: Blake Tabian
Загружено: 2017-02-11
Просмотров: 28782
Описание:
In this video I use the local stiffness matrices of each member to find the global stiffness matrix then the nodal displacements. ITS SIMPLE!!
STEP 1
Label all the nodal displacements with the appropriate annotation in order.
STEP 2
Write out the local stiffness matrix formula
STEP 3
Evaluate the sin and cosine of the given angles at each node and start constructing the associated local stiffness matrix
STEP 4
Depending on how many members you have, construct the global stiffness matrix by adding the corresponding components that "overlap" with each local stiffness matrix into the global stiffness matrix.
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