TY JOUR TI TRIANGULAR FINITE ELEMENT WITH SIX-DEGREE-OF-FREEDOM NODE KW problem KW theory KW elasticity KW displacement KW deformation KW stress KW calculation KW cantilever beam JO Transport engineering AU Yakovlev, A.V. AU Kazakov, O.D. AU Boldyrev, A.P. PY 2022 IS 2022 PB Bryansk State Technical University