Abstract:
A method for producing a finite element model is disclosed. From a contour data set about the original contour shape of an analysis object, a nonuniformly-scaled contour data set about a nonuniformly-scaled contour obtained by anisotropically scaling up or down the contour shape is reconstructed using a scaling factor. The nonuniformly-scaled contour is divided into a finite number of elements and node points are defined to form a primary model. The primary model is anisotropically scaled by the reciprocal of the scaling factor to form the finite element model having the original contour shape.
Abstract:
A computerized method for simulating a plastic material flowing through an extruding channel comprises a step of making a flow calculation. The flow calculation includes: a primary calculation based on the plastic material model provided with a viscosity which is constant; a secondary calculation based on the plastic material model which is provided with a viscosity having a shear-velocity dependency or alternatively a temperature dependency, and whose initial values are set to those of the material model calculated in the primary calculation step; and a third calculation based on the material model which is provided with a viscosity having both of the shear-velocity dependency and the temperature dependency, and whose initial values are set to those of the material model calculated in the secondary calculation step.
Abstract:
A computerized method for simulating a high-viscosity fluid in a chamber is disclosed, wherein a model of the fluid is set in a model of the chamber and a flow calculation is performed. In the flow calculation, with respect to a contact surface of a wall of the chamber model with which the fluid model contacts, a slip velocity of the fluid model is defined by specific equations.
Abstract:
Computerized analysis method for estimating a kneaded state of a fluid, comprises: a step of generating a finite element model of a kneading space within which the fluid is kneaded; a step of defining a model of the fluid; a step of defining the fluid model in the kneading space model at a filling rate of less than 100% and defining necessary kneading conditions; a particle tracking step in which, a flow calculation of the fluid model is made, and virtual particles disposed in the fluid model are tracked; an estimating step in which the positional data of the virtual particles are compared with those in an ideal kneaded state of the fluid model, and the degree of kneading of the fluid model is calculated. The ideal kneaded state is calculated in the estimating step, based on existence positions of the fluid model calculated in the particle tracking step.