The principle of virtual work and integral laws of motion

摘要: This paper furnishes a simple constructive proof of the equivalence integral laws motion for continua to Principle Virtual Work. The approach used is designed avoid artificiality introducing classical equations in an intermediate step. hypotheses employed are virtually weakest possible that consistent with requirement integrals appearing these formulations make sense as Lebesgue integrals. Particular attention devoted treatment boundary conditions, which may assume very general form.