A cylindrical tank-foundation-halfspace interaction using an energy approach. (English) Zbl 0576.73116
The interaction problem associated with a cylindrical storage tank- (plate) foundation system resting in frictionless contact on an isotropic halfspace is examined by using an energy formulation. The thin-plate and thin-shell theories are considered in describing the flexural behavior of the foundation and the tank wall, respectively. The tank is assumed to be rigidly connected to the foundation. A power series in terms of the radial coordinate is used to represent the deflected shape of the plate. A variational technique is utilized to obtain the deflections and flexural moments at any point on the plate. The effects of interaction between various components of the tank-(plate) foundation-halfspace system are investigated in detail. A parametric nondimensional study shows that factors such as the relative stiffness and location of the tank wall may result in a more economical design of the (plate) foundation.
MSC:
| 74A55 | Theories of friction (tribology) |
| 74M15 | Contact in solid mechanics |
| 74S30 | Other numerical methods in solid mechanics (MSC2010) |
Keywords:
interaction problem; cylindrical storage tank-(plate) foundation system; frictionless contact; isotropic halfspace; energy formulation; flexural behavior; foundation; tank wall; rigidly connected; power series in terms of the radial coordinate; deflected shape; deflections; flexural moments; at any point on the plate; parametric nondimensional study; relative stiffness; location of the tank wall; economical design of the (plate) foundationReferences:
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