12results about How to "Effective simulation" patented technology

This application discloses a method for calculating the vibration isolation of ship vibration isolation devices based on isolator type spectrum data, relating to the field of ship vibration isolation design. The method includes: acquiring the type spectrum data and impedance test data of the target isolator; determining the stiffness and damping parameters of the target isolator based on the type spectrum data and impedance test data; constructing a finite element model of the ship vibration isolation device; inputting the stiffness and damping parameters of the target isolator into the finite element model for calculation, and obtaining the vibration isolation calculation results of the target isolator. This method can efficiently utilize isolator type spectrum data to conduct vibration isolation calculation and evaluation of ship vibration isolation devices during the ship design phase, avoiding resonance between the natural frequency of the vibration isolation device and the excitation frequency of the equipment, and improving the vibration isolation effect.

This invention provides a method for simulating buckling of subsea pipelines based on the pipeline element method, addressing the problems of low computational efficiency, complex modeling, and low accuracy in existing methods. Based on Euler-Bernoulli beam theory, this invention models the pipeline as a series of efficient pipeline elements. Internal pressure is converted into equivalent temperature rise, and the effective thermal expansion force generated by the effective temperature rise is applied to both ends of the pipeline element to construct the total potential energy equation. The second derivative of the total potential energy equation is performed to obtain the tangent stiffness matrix of the pipeline element. An updated Lagrange method is used for coordinate transformation. The secant relationship is used to calculate the pipeline element and soil resistance. A Newton-Raphson incremental-iterative numerical program is established to perform nonlinear analysis of the pipeline, progressively solving for the deformation and stress of the pipeline under complex loads. This invention significantly reduces the number of elements, improves computational efficiency, and accurately simulates nonlinear pipe-soil interactions. It is applicable to various pipelines, including short pipes, long pipes, and corroded pipes, as well as complex working conditions such as high temperature and high pressure.

The utility model relates to the field of hemodialysis especially relates to hemodialysis pipeline anti -coagulation oscillator structure, including bottom plate, the lower end of bottom plate is integrated with the built -in self -locking mechanism's universal wheel, the upper end fixed connection of bottom plate has vertical vibration unit, installs the support plate in vertical vibration unit, the lower end of support plate is configured vibration motor as drive source to carry out vertical direction's vibration action, the upper end of support plate sets up horizontal reciprocating motion module, and is provided with the receiving plate in horizontal reciprocating motion module, still fixed with the vertical board on the support plate, the surface of vertical board is provided with linkage's sliding mechanism, and sliding mechanism and horizontal reciprocating motion module synergistic effect are used for realizing the guiding displacement of receiving plate, the utility model discloses through vertical vibration and horizontal reciprocating motion combination, more effectively simulate human blood circulation, reduce blood coagulation risk, at the same time, the lower end of bottom plate is integrated with self -locking universal wheel, makes oscillator mobile flexible and fixed stable, and it is convenient to use in different scenes.

The utility model relates to a kind of geotechnical centrifugal test tunnel excavation simulation box and simulation device, including box, box is filled with simulation foundation, formation loss simulation mechanism is embedded in simulation foundation;Formation loss simulation mechanism includes outer lining plate is inner lining plate, outer lining plate and inner lining plate are enclosed and are horizontally arranged cylindrical, inner lining plate is arranged in the inside of outer lining plate;Formation loss simulation mechanism includes at least two working sections sequentially connected along length direction;Each working section is provided with softening block and water injection pipe;Softening block is against the inner side wall of outer lining plate;The utility model gradually injects water into each working section along tunnel excavation direction by water injection pipe, so that softening block gradually softens along tunnel excavation direction, when softening block softens, volume reduces, the space between inner lining plate and outer lining plate will reduce accordingly, can effectively simulate formation loss process in tunnel excavation process, the disturbance of simulation process to soil is small, and the success rate of test can be improved.

The utility model discloses a kind of fatigue test device for mining high-strength chain, it is related to chain testing technical field, it includes support frame, the top of support frame is equipped with chain support plate, and the front and rear ends of chain support plate are all equipped with side plate.This kind of fatigue test device for mining high-strength chain, the rotation movement of impact cylinder is driven by three L-shaped supporting arms, and the accurate guidance of cooperation arc-shaped guide plate is realized, the working condition that chain directly bears lateral impact in dynamic rotation process is realized, the sudden impact scene such as underground ore drop is perfectly reproduced, the authenticity and accuracy of test are greatly improved, and the rotation structure of three groups of supporting arms evenly distributed, cooperation continuous drive of driving motor, high-frequency cyclic impact can be implemented to chain, effectively simulate the complex alternating load environment in well.

The application discloses a medical image tumor segmentation model based on a TransUNet framework and a construction method and a segmentation method thereof, the construction method comprising constructing a segmentation model based on the TransUNet, wherein an encoder of the segmentation model comprises CNN modules and a self-defined VSS module connected in sequence, the output ends of each convolution block of the CNN modules are input into a decoder of the segmentation model through a jump connection layer, the self-defined VSS module comprises a plurality of novel conversion layers stacked in series based on a Mamba module and a focus linear attention module, the self-defined VSS module performs multi-level feature interaction and global modeling on first encoding features output by the CNN module to obtain second encoding features; and the decoder performs feature fusion and up-sampling on the second encoding features and the output of the jump connection layer to obtain a segmentation image for a sample image. The application can significantly improve the segmentation robustness and precision of breast ultrasound images with low contrast, high noise and fuzzy boundaries.

The utility model discloses a tester for the wet density flow change rate of foam light soil, and belongs to the technical field of buildings. The slurry cylinder is provided with a containing cavity, a first pipeline connector and a second pipeline connector, and the first pipeline connector and the second pipeline connector are arranged at the bottom of the slurry cylinder; the hose pump comprises a suction inlet and a discharge outlet, a feeding pipe is arranged between the discharge outlet and the first pipeline connector, and a discharging pipe is arranged between the suction inlet and the second pipeline connector. One end of the supporting pipe is communicated with the feeding pipe through the first pipeline connector, the other end of the supporting pipe penetrates through the discharging disc, and a backflow gap is reserved between the discharging disc and the slurry cylinder. The device can effectively simulate the phenomenon that foam floats on the surface and slurry sinks into the bottom in the construction process of foam light soil, so that more accurate data support is provided for construction quality control.

This invention relates to photothermal-thermoelectric synergistic materials, photothermal-thermoelectric synergistic composite materials, preparation methods, and applications. The photothermal-thermoelectric synergistic materials include bismuth selenide-gold composite materials, wherein the bismuth selenide-gold composite material is hexagonal, with the gold material located at the center of the hexagon. Its advantages lie in utilizing the gold nanoparticles located at the center of the hexagon as a "heat source core," which, under near-infrared light excitation, forms a stable radial temperature gradient with the substrate bismuth selenide, thereby generating an endogenous microcurrent based on the Seebeck effect of bismuth selenide. This wireless, non-invasive "photothermal-stable temperature difference-thermoelectric" cascade signal can effectively simulate the bioelectrical environment of bone tissue, significantly promoting osteogenic differentiation of bone marrow mesenchymal stem cells. The photothermal-thermoelectric synergistic material of this invention can effectively remove reactive oxygen species and has good antioxidant properties.

The utility model provides a kind of unlocking tool of photoetching machine, and unlocking tool includes: main body, its shape and size are suitable for being placed at the position of interface and predetermined wafer transfer box is carried;At least one trigger part is set on the main body, its position and configuration correspond with the position of at least one sensor, so that when unlocking tool is placed on interface, at least one trigger part can interact with at least one sensor, to simulate the existence state of wafer transfer box, so that photoetching machine receives the signal that wafer transfer box exists and can execute the operation of unlocking and taking out stuck box cover.The unlocking tool of the utility model can effectively simulate the existence of FOUP by its specially designed shape, size and trigger part corresponding with photoetching machine sensor accurately, so that photoetching machine can still execute the operation of unlocking and taking out box cover in the case that FOUP main body is missing and box cover is stuck.

This invention belongs to the field of reactive power generator simulation technology, specifically disclosing a decoupled parallel simulation method, system, terminal, and medium for reactive power generators. The method first uses a preset decoupling strategy to segment the original electrical system model into a network, generating multiple independent sub-module decoupled models and a system-level bridge arm equivalent circuit model; then, it performs task partitioning based on a CPU-GPU heterogeneous computing architecture; finally, it aggregates the solution results from both ends to advance the simulation step size. This invention effectively breaks through the computing power bottleneck of traditional pure CPU serial computing while ensuring high-precision electromagnetic transient simulation, significantly improving the simulation efficiency and numerical stability for large-scale cascaded reactive power generators.

The application belongs to the technical field of detection equipment, and particularly relates to a ferric ion detection equipment. The ferric ion detection equipment is provided with a storage unit containing a diluent storage tank and a prefabricated bottle, a diluent conveying pipeline connecting the diluent storage tank and the prefabricated bottle, and a liquid level sensor arranged on the prefabricated bottle, so that the ferric ion detection equipment can accurately determine the volume of the reaction liquid in the prefabricated bottle, thereby realizing automatic preparation of the reaction liquid. Therefore, in the actual operation process, the accurate addition of reagents or diluents can be completed without manual intervention, which not only improves the automation degree of operation, but also significantly improves the consistency, repeatability and accuracy of the detection process. At the same time, the structure design effectively reduces the problems such as sample addition error caused by human operation, further ensuring the reliability of the detection result.

This invention provides a method and apparatus for simulating reservoir parameters under geological attribute constraints, solving the problem of ensuring inconsistency between simulated parameters and original geological attributes. The method includes: acquiring reservoir parameter data; obtaining an original data matrix based on the reservoir parameter data; dividing the geological probability distribution function of all reservoir parameter data into multiple layers, randomly sampling each layer once to obtain an initial subset matrix of the univariate probability distribution of the reservoir parameters; generating an expected correlation matrix based on the initial subset matrix; and rearranging the data in the expected correlation matrix using a restricted pairing technique to obtain a reservoir parameter simulation matrix under geological attribute constraints.