A Green’s function approach is used to formulate and obtain the stress field, under torsional loads in a radially finite solid cylinder with radially variable elastic modulus. With this approach a certain dual static-geometric analogy in the solution is readily proved and applied to generate the solution with stress boundary conditions from that with displacement boundary conditions and vice-versa. The problem is solved using both boundary conditions and for an exponentially varying shear modulus. In particular, under displacement boundary conditions, the stress field in the solid with a generalised Reissner-Sagoci boundary condition is easily deduced. With stress boundary conditions, the criteria for crack propagation in such elastic models are also obtained using the Griffith-Irwin condition of rupture.
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- TETFund Intervention
- Special Intervention
- Annual Intervention
- Physical Infrastructure/Program Upgrade
- Academic Staff Training and Development
- Library Development
- Conference Attendance
- Teaching Practice
- Institution Based Research
- ICT Support
- Academic Research Journal
- TETFund Project Maintenance
- Equipment Fabrication
- Entrepreneurship
- Academic Manuscript Development
- Giving/Donations
- Enterprises
- FAQs
- UNN Mail
- ResearchGate
- Contacts