公开(公告)号：US20250086340A1

公开(公告)日：2025-03-13

申请号：US18705684

申请日：2021-12-13

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Fuzhen XUAN ,  Jianguo GONG ,  Yang GAO ,  Mingliang ZHU ,  Yanxun XIANG

IPC: G06F30/17 ,  G06F30/23

Abstract: A digital twin-based pressure vessel safety evaluation and risk warning method includes steps: S1, determine a damage mode of pressure vessel; S2, design an overall plan of pressure vessel safety evaluation and risk warning; S3, simplify physical model of the pressure vessel and build a simplified physical model based on designed overall plan; S4, obtain load condition parameters during actual service of the pressure vessel; S5, determine material performance parameters of the pressure vessel; S6, build a digital twin model of pressure vessel safety evaluation and risk warning; S7, obtain a full-field damage distribution cloud map of the pressure vessel; S8, compare the full-field damage distribution cloud map and strength requirement of material of pressure vessel, if the strength requirement is met, conduct a safety evaluation at next time node according to subsequent needs of user, and if the strength requirement is not met, output a pressure vessel risk warning.

公开(公告)号：US20240104482A1

公开(公告)日：2024-03-28

申请号：US18227069

申请日：2023-07-27

Applicant: East China University of Science and Technology

Inventor： Mingliang ZHU ,  Fuzhen XUAN ,  Gang ZHU ,  Shan-Tung TU

IPC: G06Q10/0639 ,  G05B23/02 ,  G06Q10/067 ,  G06Q50/04 ,  G06Q50/26

CPC classification number: G06Q10/06395 ,  G05B23/0283 ,  G06Q10/067 ,  G06Q50/04 ,  G06Q50/265

Abstract: An anti-fatigue and safety control method for ultra-long life service structures under extreme environment, comprising: judge the fatigue fracture mode in the long life stage of the service structure; according to the interaction principle of defect-matrix, obtain the internal defect induced fatigue cracking mechanism in ultra-high cycle regime under the service environment; considering the environmental factors, clarify the internal defect-matrix-environment interaction mechanism under service conditions and obtain the environmental weakening coefficient; considering the environmental factors, establish a fatigue life prediction model based on defect-load-life correlation under service conditions in ultra-high cycle regime; the process parameters of material metallurgy and manufacturing, design parameters of structural strength, structural service stress and environmental parameters are regulated based on the concept of integrated design/manufacturing.