Modeling method for finite element simulation uniaxial penetration strength test, equipment and readable storage medium

A modeling method and uniaxial penetration technology, applied in strength characteristics, design optimization/simulation, measurement devices, etc., can solve problems such as difficulty in meeting actual needs, complicated test operations, and heavy preparation workload, and achieve easy mix ratio Design, save cumbersome steps, simple operation effect

Pending Publication Date: 2020-08-14
SHANDONG JIANZHU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

This patented describes an improved way to study how strong materials behave when they are subjected to tensile stress in different directions without actually testing them under tension or compression conditions. By performing simulations on these samples instead of relying solely upon their properties alone, researcher can make informed decisions about mixing ratios based only on data from those tests rather than just measuring it themselves.

Problems solved by technology

This patented technical problem addressed in this patents relates to improving the quality control (QC) process for asphaltic roads used at very hot temperatures during their lifespan. Current methods require expensive equipment or complex procedures with limited applicational capabilities.

Method used

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  • Modeling method for finite element simulation uniaxial penetration strength test, equipment and readable storage medium
  • Modeling method for finite element simulation uniaxial penetration strength test, equipment and readable storage medium
  • Modeling method for finite element simulation uniaxial penetration strength test, equipment and readable storage medium

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Embodiment Construction

[0025] Those of ordinary skill in the art can realize that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the relationship between hardware and software Interchangeability. In the above description, the composition and steps of each example have been generally described according to their functions. Whether these functions are executed by hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present invention.

[0026] The block diagrams shown in the drawings are merely functional entities and do not necessarily correspond to physically separate entities.

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Abstract

The invention provides a modeling method for a finite element simulation uniaxial penetration strength test, equipment and a readable storage medium. The modeling method comprises the steps of: configuring and establishing a test piece model; configuring material parameters of the test piece model, and endowing section parameters of the test piece model; connecting a pressure head at a preset position of the test piece model, and assembling a component to enable the pressure head to be just in contact with the test piece; setting an analysis step, setting analysis time, and setting the displacement and load of a reference point to be output in historical output; setting a friction coefficient for the contact surface of the test piece model and the pressure head; setting boundary conditionsof the test piece model; and executing a uniaxial penetration strength test, and outputting a test result. A finite element is adopted to simulate a real uniaxial penetration test, compared with a real test, the operation is simple, the cost of purchasing test equipment is reduced, the tedious step of manufacturing a test piece is omitted, the simulated limit load is close to an actual measurement result, and designers can conveniently carry out mix proportion design or high-temperature stability checking calculation.

Description

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Claims

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Application Information

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Owner SHANDONG JIANZHU UNIV
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