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1.
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Rod cutting is an important phase of many technological procedures, which includes fast dynamic process of ductile material fracture. Explicit FE solvers seem to be the b [...]
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This paper is concerned with numerical simulation of long products’ leveling. The main goal is estimating useful setting of leveling machine to minimize curvature of pa [...]
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The stabilized hysteresis loop was determined for the material of railway wheel, by the condition of steady amplitude of axial strain. The compressive test by laboratory [...]
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The paper studies how wheel and rail unevennesses effect behaviour and life of wheel-rail system. Unevenness can be caused by the production inaccuracy or by the wear. To [...]
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An important phase of the bolt production is a bolt head trimming. It is a very fast, complicated process including material failure. For this type of problems the explic [...]
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The paper deals with cooling of grooved roll. The aim is to find optimal spray parameters, specify nozzle type, geometrical configuration and feeding pressure to elongate [...]
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The paper deals with problems of buckling in resistors of electric rail vehicles. The resistors are objects in that the electric power is expended during dynamic braking [...]
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The hypothesis was stated, that the relaxation oscillation emerge in the surface layers of wheel and rail, by the accelerating and braking period of the rail vehicles. Th [...]
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An important phase of the bolt production is a bolt head trimming. It is a very fast, complicated process including material failure. For this reasons explicit solver LS- [...]
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10.
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Seven ductile fracture criteria are applied to simulation of cold forward extrusion and their performance in prediction of chevron cracks is presented. The criteria are i [...]
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