We have an exciting announcement about badges coming in May 2025. Until then, we will temporarily stop issuing new badges for course completions and certifications. However, all completions will be recorded and fulfilled after May 2025.
Material Properties

Material Properties

Why did I get the error message below? “The Poisson’s ratio (0.511571691 + i 7.934565706E-02) is out of range for harmonic viscoelastic material number 39 for element 177968 at frequency 4.“

    • FAQFAQ
      Participant

      Given: G = (6.66666667 + i 2.65266667) and E = (19.7333333 + i 9.07733333) The Poison’s ratio is E/(2*G) -1 = 0.511571691 + i 7.934565706E-02. It exceeds 0.5.