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Gravity accumulation structure and random foam structure construction method

A foam structure and construction method technology, applied in the field of three-dimensional modeling, can solve the problems that have not received extensive attention, and achieve the effect of broad research and application prospects, fast and realistic simulation and reproduction effects

Active Publication Date: 2016-07-27
DALIAN UNIV OF TECH
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AI Technical Summary

Benefits of technology

In this patented technology, there was developed an algorithm for creating models with randomly distributed holes called pore structures on top layers made from various types of particles. These simulations showed how these hole systems could help predict impact forces caused when falling down objects (such as rocks). They found that they were able to simulate different scenarios where weight falls over time without causing damage. Additionally, it suggests that certain characteristics like bouncing behavior may affect the overall stability of the object being placed inside them. Overall, this approach allows scientists to study complex physical phenomena related to particle-based processes involving multiple components - including weights, shock absorption properties, geometry shapes, etc., while still capturing their importance in understanding natural phenomenon.

Problems solved by technology

Technological Problem addressed in this patents relates to improving the accuracy of predictive models of particulate matter (PM). Current techniques involve simplifying assumptions about how well they can accurately simulate particles without causing damage or overlapping them. Existing approaches require significant computational resources and cannot provide complete data sets. To address this problem, there was developed a technique called Microspherix® that uses multiple small holes instead of one large hole to create a larger volume where each tiny opening represents only part of another big area within itself. By combining different mathematical principles into a single framework, the resulting solution allows us to better understand and interpret the behavior of PM compared to existing solutions like traditional combustions.

Method used

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  • Gravity accumulation structure and random foam structure construction method
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[0047] specific implementation plan

[0048] The implementation steps of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0049] The first step is to input the initialization parameters, which include the geometric characteristics of the stacking unit body, mechanical properties, geometric features of the stacking area, wall hardness, drop height and area of ​​the drop zone.

[0050] 1.1 Geometric features of stacked units

[0051] The construction of the geometric features of the stacking unit is a key innovation point of the present invention. Traditional simulations mostly use spheres of equal size as the stacking unit, which is a very restrictive and unrealistic assumption. In the present invention, the rand random function is used to define the size of the unit body. The unit body is a cuboid or an ellipsoid. The size of the unit body, a plurality of units combined to build a packed bed ( Figure 8 , 9 ), a foam ...

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Abstract

The invention provides a gravity accumulation structure and random foam structure construction method. The method comprises the steps: inputting initial parameters in discrete element software; obtaining deformation values of elements through the discrete element software; determining virtual boundary of the elements, and performing contact searching and detecting on the elements, thereby forming accumulation bed data information; determining a drawing instrument corresponding to each element according to the accumulation bed data information; building an accumulation bed entity in Gambit software; reversing a gas phase and a solid phase of the accumulation bed entity through the Gambit software, thereby obtaining a foam structure entity; modeling the two entities in the Gambit software, and generating grid data; inputting the grid data in Fluent software, thereby obtaining specific surface areas and porosities of the two entities. According to the gravity accumulation structure and random foam structure construction method, position randomness, which the existing accumulation model construction method does not have, is provided; the high similarity between the generated accumulation bed entity or the foam structure entity and a practical material is ensured; simulation and regeneration of an accumulation bed and a foam structure during virtual accumulation can be quickly implemented.

Description

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Claims

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Application Information

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Owner DALIAN UNIV OF TECH
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