Recent content by cylee

  1. C

    What is the the bulk modulus formula for anisotropic material?

    CONFIRMED FOUNDING HERE Long story short: My derivation represents the lower bound of the bulk modulus called Reuss effective bulk modulus. My assumption and derivation are correct. Thank you for all your input I very much appreciate it.
  2. C

    What is the the bulk modulus formula for anisotropic material?

    The pdf suggests the use of effective bulk modulus. But as far as bulk modulus is concerned, it is the ratio between mean normal stress and volumetric strain, subjected to hydrostatic stress (which is the mean normal stress). This statement is the same as writing w=[1 1 1 0 0 0] for the...
  3. C

    What is the the bulk modulus formula for anisotropic material?

    I can understand the derivation of bulk modulus (K) for isotropic material. However I have difficulty to do the same for anisotropic material. to start with we have the definition: mean_stress = K * (strain_xx+strain_yy+strain_zz) My question is for anisotropic material: Is mean_stress =...
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