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Article
Sensitivity analysis of die structural and process parameters in porthole die extrusion of magnesium alloy tube using Taguchi method
Reasonable design and matching of die structures and process parameters play crucial roles in seam weld quality and variations in extrusion load and exit temperature during magnesium alloy porthole die extrusi...
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Article
A novel protection-type porthole die for manufacturing multi-cavity and thin-walled extrusion profile: numerical simulation, optimization design, and experimental validation
The structure type of porthole die has a crucial impact on metal flow balance in die cavities, strength of seam weld, and die strength. At present, there was little industrial case for the application of prote...
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Article
Open AccessComparative study on mode split discrete choice models
Discrete choice model acts as one of the most important tools for studies involving mode split in the context of transport demand forecast. As different types of discrete choice models display their merits and...
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Article
Dwell time estimation models for bus rapid transit stations
Bus rapid transit (BRT) systems have been shown to have many advantages including affordability, high capacity vehicles, and reliable service. Due to these attractive advantages, many cities throughout the wor...
