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Simulation design method for electromagnetic environment effect of air cushion landing craft

An electromagnetic environment and simulation design technology, applied in design optimization/simulation, special data processing applications, geometric CAD, etc., can solve the problem that the electromagnetic environment effect simulation method of landing craft has not yet been formed, and it is difficult to avoid electromagnetic protection. Problems such as top-down design ability of landing craft electromagnetic environmental effect protection

Active Publication Date: 2021-07-06
NO 33 RES INST OF CHINA ELECTRONICS TECHNOOGY GRP
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AI Technical Summary

Problems solved by technology

[0003] At present, in the field of air-cushion landing craft design, my country has not yet formed a systematic simulation method for electromagnetic environment effects of landing craft, and does not have the top-down design capability of electromagnetic environment effect protection for landing craft. It is difficult for designers to avoid over-design and under-design of electromagnetic protection in the design stage of landing craft. design issues

Method used

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  • Simulation design method for electromagnetic environment effect of air cushion landing craft
  • Simulation design method for electromagnetic environment effect of air cushion landing craft
  • Simulation design method for electromagnetic environment effect of air cushion landing craft

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0050] like Figure 1 to Figure 15 As shown, a simulation design method for the electromagnetic environment effect of an air-cushion landing craft, including:

[0051] S1. Landing craft electromagnetic model modeling:

[0052] S11. Model the landing craft at 1:1 and import the model into the simulation platform. The structure of the actual landing craft is extremely complex. The inside and outside of the body are composed of a large number of small structures and precision units. In the electromagnetic simulation, the landing craft first needs to be simplified to maintain The basic information of the landing craft, remove the structure irrelevant to the electromagnetic simulation, reduce the amount of simulation calculation, and ensure the efficiency and accuracy of the simulation calculation;

[0053] S12, performing adaptive grid division on the landing craft model;

[0054] S13. Setting simulation parameters, including setting material electromagnetic parameters, simulati...

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Abstract

The invention relates to the technical field of electromagnetic protection, in particular to an air cushion landing craft electromagnetic environment effect simulation design method which comprises performing landing craft electromagnetic model modeling, landing craft antenna electromagnetic model modeling, landing craft cable spice model modeling, landing craft deck and cabin electromagnetic environment simulation and cable coupling voltage and current simulation; and performing post-processing on the simulation data of the electromagnetic environment of the deck and the cabin of the landing craft, the isolation among the multiple antennas and the coupling voltage and current of the landing craft, and performing simulation optimization to finally obtain an electromagnetic environment effect simulation result of the air cushion landing craft. Transmission line models for analyzing different types of cables are established through an electromagnetic simulation platform, the electromagnetic compatibility of the transmission line is researched in a mode of combining a field and a circuit, and field-circuit collaborative simulation is realized on an electromagnetic simulation software platform fully covered by a TLM algorithm, circuit analysis and a full-wave algorithm.

Description

technical field [0001] The invention relates to the technical field of electromagnetic protection, and more specifically, to a simulation design method for electromagnetic environment effects of an air-cushion landing craft. Background technique [0002] Air-cushion landing craft, as a landing combat ship that transports landing troops and their weapons and equipment to land directly on the beach, undertakes the mission of transporting personnel, vehicles, tanks and materials directly to the shore, and has become a special special ship for maritime operations. Due to the small deck area of ​​the air-cushion landing craft and the dense arrangement of antennas on the deck surface, the electromagnetic compatibility design of the air-cushion landing craft is particularly important. [0003] At present, in the field of air-cushion landing craft design, my country has not yet formed a systematic simulation method for electromagnetic environment effects of landing craft, and does n...

Claims

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Application Information

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IPC IPC(8): G06F30/23G06F30/15
CPCG06F30/23G06F30/15
Inventor 王永胜郭文卿边永亮李伟
Owner NO 33 RES INST OF CHINA ELECTRONICS TECHNOOGY GRP
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