TY JOUR TI FINITE ELEMENT MODEL OF THE SPATIAL STRUCTURES FROM THIN-WALLED OPEN SECTION BARS. IN 2 PARTS. PART 1 KW thin-walled open section bar KW shift and torsion angle of cross sections KW stiffness matrix KW finite element method JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Yuzikov, V.. AU Sinelshchikov, A.. AU Panasenko, N.. PY 2015 IS 2015 PB Astrakhan State Technical University