## Problems of Nonlinear Deformation: The Continuation Method Applied to Nonlinear Problems in Solid MechanicsInterest in nonlinear problems in mechanics has been revived and intensified by the capacity of digital computers. Consequently, a question offundamental importance is the development of solution procedures which can be applied to a large class of problems. Nonlinear problems with a parameter constitute one such class. An important aspect of these problems is, as a rule, a question of the variation of the solution when the parameter is varied. Hence, the method of continuing the solution with respect to a parameter is a natural and, to a certain degree, universal tool for analysis. This book includes details of practical problems and the results of applying this method to a certain class of nonlinear problems in the field of deformable solid mechanics. In the Introduction, two forms of the method are presented, namely continu ous continuation, based on the integration of a Cauchy problem with respect to a parameter using explicit schemes, and discrete continuation, implementing step wise processes with respect to a parameter with the iterative improvement of the solution at each step. Difficulties which arise in continuing the solution in the neighbourhood of singular points are discussed and the problem of choosing the continuation parameter is formulated. |

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Problems of Nonlinear Deformation: The Continuation Method Applied to ... E.I. Grigolyuk,V.I. Shalashilin No preview available - 2011 |

Problems of Nonlinear Deformation: The Continuation Method Applied to ... E.I. Grigolyuk,V.I. Shalashilin No preview available - 2012 |

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algorithm analysis applied approach approximation arch assumed axis bars basis becomes bifurcation boundary value problem branches Cauchy problem columns components computations considered constructed continuation method continuation parameter coordinates corresponding curve deflection deformation denoted determined differential direction discrete continuation discussed eigenvalues elastic error Euler's explicit expression Figure finite element force formulation given implementation implicit initial integrating introduced iterative process Jacobian Kiev known length linear load matrix mechanics Mekh membrane modified neighbourhood Newton-Raphson nonlinear nonlinear boundary value nonlinear problems normal notation Note numerical obtain orthogonal orthogonal matrix perturbation plane plates possible procedure reduces region relations represented requires respect rows Saratov schemes shallow shells shown singular point solution solving space stability step stepwise structures subspace successive system of equations taken taking tangent theory tion unknowns variables various vector function zero

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Page 252 - Turner, MJ, Dill, EH, Martin, HC, and Melosh, RJ, "Large Deflections of Structures Subjected to Heating and External Loads," Journal of the Aeronautical Sciences, Vol.