Introduction to Mechanics of Deformable Solids |
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Page 30
... Creep , the change in dimension with time at a given load , and relaxation , the loss of stress with time at a given deformation , are two of the manifestations of time effects . They often govern the useful life of turbines , engines ...
... Creep , the change in dimension with time at a given load , and relaxation , the loss of stress with time at a given deformation , are two of the manifestations of time effects . They often govern the useful life of turbines , engines ...
Page 43
... creep shows a strongly nonlinear increase with stress ( Fig . 3.3 ) . This cannot be duplicated by the most complicated linear - viscoelastic model . If the range of stress entering the problem is appreciable , a nonlinear model is ...
... creep shows a strongly nonlinear increase with stress ( Fig . 3.3 ) . This cannot be duplicated by the most complicated linear - viscoelastic model . If the range of stress entering the problem is appreciable , a nonlinear model is ...
Page 77
... creep rate de / dt , it will have the same creep rate with the addition of po = σ . Addition of this hydrostatic pressure reduces the biaxial tensile stress in the shell to zero ( Fig . 5.4 ) and results in a uniaxial compression po = σ ...
... creep rate de / dt , it will have the same creep rate with the addition of po = σ . Addition of this hydrostatic pressure reduces the biaxial tensile stress in the shell to zero ( Fig . 5.4 ) and results in a uniaxial compression po = σ ...
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Common terms and phrases
aluminum applied assemblage axial force beam behavior change in length circle circumferential column components of stress computed constant cross section cylinder dashpot deflection diameter dimensions direction displacement elastic elastic-perfectly plastic elongation equations of equilibrium factor of safety free-body sketch homogeneous HR steel idealization increase inelastic initial interior pressure isotropic Kelvin material linear Maxwell linear-elastic linear-viscous load M₂ maximum Maxwell material modulus Mohr's circle neutral axis nonlinear normal stress outer P₁ P₂ perfectly plastic perpendicular plane plastic deformation plastic-limit Prob problem pure bending radial radius ratio residual stress rotation shaft shear strain shear stress shell shown in Fig simple shear simple tension solution statically statically indeterminate stress and strain stress-strain curve stress-strain relations structural Suppose surface symmetry t₁ temperature tensile stress thick-walled thickness time-dependent torsion uniaxial uniform unloading versus viscous yield point yield stress Young's modulus zero ΕΙ σα σο στ