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Spatial Cognitive Modeling of the Site Selection for Traditional Rural Settlements: A Case Study of Kengzi Village, Southern China
Publisher: ASCE
Abstract: As a result of the booming rural reconstruction in China, the recurring problem of “village sameness” reflects the inadequate understanding of inherent spatial characteristics of traditional settlements. To better understand ...
Numerical Investigation of High-Speed Dynamic Fractures and Crack Arresting of High-Grade Gas Pipelines
Publisher: American Society of Civil Engineers
Abstract: The fracture speed of a high-grade gas pipeline subjected to high gas pressure is usually very high, such that the gas pressure near the crack-tip could not decompress rapidly. It is difficult for a high-grade pipeline to ...
Least Squares Fitting Method Based on Bivariate Nonuniform <i>B</i>-Spline and Its Applications in Surveying Engineering
Publisher: American Society of Civil Engineers
Abstract: As a well-known numerical approximation method, the least squares fitting method is widely applied in surveying engineering. The most important and difficult problem in this method is to determine the type of base function ...
Robust Estimation of Variance Components with Application in Global Positioning System Network Adjustment
Publisher: American Society of Civil Engineers
Abstract: A robust strategy for controlling the influence of outliers on model parameters and variance components is proposed based on the principle of robust M estimation. The robust estimators for parameters and variance components ...
Performance Prediction Method for Forward Variable Area Bypass Injector of Variable Cycle Engine Based on Numerical Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As an evolutional concept of aero engine, the variable cycle engine (VCE) can adjust the thermodynamic cycle via working on different modes to meet different flight missions. These working modes lead to the performance and ...