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Elastic/Plastic Behavior of Infinitely Long Cylinders Subject to Mechanical and Thermal Loads

Elastic/Plastic Behavior of Infinitely Long Cylinders Subject to Mechanical and Thermal Loads. Objective. Examine the stresses and strains of infinitely-long cylinders subjec to axismmetric mechanical (pressure) and thermal loads, to include: Thin-walled and thick-walled cylinders

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Elastic/Plastic Behavior of Infinitely Long Cylinders Subject to Mechanical and Thermal Loads

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  1. Elastic/Plastic Behavior of Infinitely Long Cylinders Subject to Mechanical and Thermal Loads

  2. Objective Examine the stresses and strains of infinitely-long cylinders subjec to axismmetric mechanical (pressure) and thermal loads, to include: • Thin-walled and thick-walled cylinders • Plane-strain and plane-stress end conditions • Elastic and elastic-plastic behavior • Analytical and finite-element methods

  3. References [1] Young, W.C., 1989, Roark’s Formulas for Stress & Strain, McGraw-Hill, New York, NY. [2] Hill, R., 1950, The Mathematical Theory of Plasticity, Oxford University Press, London, UK. [3] Ugural, A.C, 1999, Stresses in Plates and Shells¸ McGraw-Hill, Boston, MA. [4] Gao, X.L., 2003, “Elasto-plastic analysis of an internally pressurized thick-walled cylinder using a strain gradient plasticity theory,” International Journal of Solids and Structures 40 6445-6455. [5] Jahanian, S., 1996, “Thermoelastoplastic stress analysis of a thick-walled tube of nonlinear strain hardening,” Transactions of the ASME 118 340-346. [6] Tarn, J.Q., 2001, “Exact solutions for functionally graded anisotropic cylinders subjected to thermal and mechanical loads,” International Journal of Solids and Structures 38 8189-8206. [7] Zhao, W., Seshadri, R., Dubey, R.N., 2003, “On thick-walled cylinder under internal pressure,” Journal of Pressure Vessel Technology 125 267-273.

  4. Schedule • Proposal draft (Deliverable) – 9/23 • Linear elastic stresses and strains (analytical) • Pressure loading, thin/thick-shells – 10/7 • Pressure loading with thermal effects, thin/thick shells– 10/14 • First progress report (Deliverable) – 10/14 • Elastic-plastic stresses and strains (analytical) • Pressure loading with thermal effects, thin/thick shells – 10/28 • Linear elastic FEA analysis • Pressure loading with thermal effects, thin/thick-shells – 11/4 • Second progress report (Deliverable) – 11/4 • Elastic-plastic FEA analysis • Pressure loading with thermal effects, thin/thick-shells – 11/18 • Final draft (Deliverable)– 11/25 • Final report (Deliverable) – 12/9

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