def simply_released_beam_test():
#FEModel Test
model=FEModel()
E=1.999e11
mu=0.3
A=4.265e-3
J=9.651e-8
I3=6.572e-5
I2=3.301e-6
rho=7849.0474
model.add_node(0,0,0)
model.add_node(0.5,1,0.5)
model.add_node(1,2,1)
model.add_beam(0,1,E,mu,A,I2,I3,J,rho)
model.add_beam(1,2,E,mu,A,I2,I3,J,rho)
model.set_node_force(1,(0,0,-1e6,0,0,0))
model.set_node_restraint(2,[True]*6)
model.set_node_restraint(0,[True]*6)
model.set_beam_releases(0,[True]*6,[False]*6)
model.set_beam_releases(1,[False]*6,[True]*6)
model.assemble_KM()
model.assemble_f()
model.assemble_boundary()
solve_linear(model)
print(np.round(model.d_,6))
print("The result of node 1 should be about [0.00445,0.00890,-0.02296,-0.01930,-0.03860,-0.01930]")
def cantilever_beam_test():
#FEModel Test
model=FEModel()
model.add_node(0,0,0)
model.add_node(2,1,1)
E=1.999e11
mu=0.3
A=4.265e-3
J=9.651e-8
I3=6.572e-5
I2=3.301e-6
rho=7849.0474
model.add_beam(0,1,E,mu,A,I2,I3,J,rho)
model.set_node_force(1,(0,0,-1e6,0,0,0))
model.set_node_restraint(0,[True]*6)
model.assemble_KM()
model.assemble_f()
model.assemble_boundary()
solve_linear(model)
print(np.round(model.d_,6))
print("The result of node 1 should be about [0.12879,0.06440,-0.32485,-0.09320,0.18639,0]")