analysis of thin-shell structures based on bi-moduli theory 用拉压不同模量理论分析薄壳结构
double modulus theory 双模数理论
by using strain energy theory, tangent modulus theory is farther discussed and applied, and the combined theory of strength and stability is improved 利用应变能定理的概念对切线模量理论进行了新的论证和应用,进一步完善了强度稳定综合理论。