Morera's stress functions

[mȯ′rer·əz ′stres ‚fəŋk·shənz] (mechanics) Three functions of position, ψ₁, ψ₂, and ψ₃, in terms of which the elements of the stress tensor σ of a body may be expressed, if the body is in equilibrium and is not subjected to body forces; the elements of the stress tensor are given by σ₁₁= -2∂²ψ₁/∂ x₂∂ x₃, σ₂₃= ∂²ψ₂/∂ x₁∂ x₂+ ∂²ψ₃/∂ x₁∂ x₃, and cyclic permutations of these equations.

单词	morera's stress functions
释义	Morera's stress functions Morera's stress functions [mȯ′rer·əz ′stres ‚fəŋk·shənz] (mechanics) Three functions of position, ψ₁, ψ₂, and ψ₃, in terms of which the elements of the stress tensor σ of a body may be expressed, if the body is in equilibrium and is not subjected to body forces; the elements of the stress tensor are given by σ₁₁= -2∂²ψ₁/∂ x₂∂ x₃, σ₂₃= ∂²ψ₂/∂ x₁∂ x₂+ ∂²ψ₃/∂ x₁∂ x₃, and cyclic permutations of these equations.
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