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dc.contributor.authorIoakimidis, Nikolaos-
dc.contributor.editorKatsiaris, George-
dc.contributor.editorMarkellos, Vassilis-
dc.contributor.editorHadjidemetriou, John-
dc.contributor.otherΙωακειμίδης, Νικόλαος-
dc.description.abstractThe inverse/design problem of torsion of a straight isotropic elastic bar of an elliptical cross-section is revisited. Under the assumption that the shear modulus, the applied torque, the angle of twist per unit length and the maximum shear stress are known in advance, the related values for the semi-axes of the elliptical cross-section are the unknown quantities. This problem is easily reduced to a simple system of two polynomial equations in two unknowns (the semi-axes) under appropriate inequality constraints. Here necessary conditions for the solvability of this inverse/design torsion problem are derived. The derivation of these conditions is mainly based on the use of Sturm–Habicht negated polynomial remainder sequences and their generalizations. Gröbner bases and Milne’s volume function method are also employed. The present approach can be generalized to a variety of equally significant and even more complex mechanics problems.el
dc.publisherUniversity of Patrasel
dc.sourceRecent advances in mechanics and related fields, special volume in honour of Professor Constantine L. Goudasel
dc.subjectComputer algebrael
dc.subjectElastic barsel
dc.subjectGröbner basesel
dc.subjectInequality constraintsel
dc.subjectInverse/design problemsel
dc.subjectMilne volume functionel
dc.subjectQuantifier eliminationel
dc.subjectSolvability conditionsel
dc.subjectSturm–Habicht sequencesel
dc.titleSolvability conditions in simple inverse/design torsion problemsel
dc.typeBook Chapter/Part of Publicationel
Appears in Collections:Γενικό Τμήμα (Δημοσ. Π.Π. σε βιβλία)

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