对于这两种简单形变,其应力与应变的比值分别 称为体变模量( volume elasticity)(压缩 ( compressibility)模量)和切变模量( shear modulus) (刚性( rigidity)模量),相应的符号是K和μ,并 用下式表示: K △/V (1.1.2) F/S F/S △// 6对于这两种简单形变,其应力与应变的比值分别 称为体变模量(volume elasticity)(压缩 (compressibility)模量)和切变模量(shear modulus) (刚性(rigidity)模量),相应的符号是K 和µ ,并 用下式表示: (1.1.2) / / / / = = F S l l F S V V p K