initial stress stiffness matrix
anisotropic initial stress
stell tubular initial stress
steel tube initial stress
rock mass initial stress field
initial stress of rock masses
initial stress of penstock
initial stress of main cable
initial stress intensity factor
initial stress increment FEM
initial stress for tension control
initial stress
初始应力
预应力
初应力
初张力
地应力
初始预张力
初始地应力
原岩应力
generalized initial stress
factor of initial stress
degree of initial stress