TY - GENERIC DO - 10.20944/preprints202306.0102.v1 UR - http://dx.doi.org/10.20944/preprints202306.0102.v1 TI - Generalized Virtual Displacement Principles of Deformed Objects with Methods of Analytical Mechanics T2 - Preprints AU - Fu, Jingli AU - Xiang, Chun AU - Yin, Zuoyuan PY - 2023 DA - 2023/06/01 PB - Preprints