Stresses and displacements in a semidigger mouldboard and a ploughshare

Saks, Enno and Heinloo, Mati (2001) Stresses and displacements in a semidigger mouldboard and a ploughshare. JOURNAL OF COMPUTATIONAL AND APPLIED MECHANICS, 2 (2). pp. 223-236. ISSN 1586-2070

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Abstract

The paper investigates stress-strain state in the most important parts of a plough - mouldboard and ploughshare. The mouldboard consists of three layers, while the ploughshare is homogeneous. Two software packets were used to solve the problem. AutoCAD enables us to create the quadrangle curvilinear surfaces of the mouldboard and the ploughshare. It has been achieved by using a special AutoLISP procedure, which must be run under AutoCAD release 15.0. In the environment of ANSYS 5.6 thickness of layers and material properties were added to these quadrangles. The loads according to Goryachev formulae have been added. This way we can find the most dangerous regions where the stress intensity reaches its maximum value. The dependence of displacements on thickness of mouldboard has also been found.

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