The paper presents a computational model for elastic waves in a structured weld adjacent to the free surface of an elastic solid. The main emphasis is on the interaction of waves with the micro-structure of the weld. ...The paper presents a computational model for elastic waves in a structured weld adjacent to the free surface of an elastic solid. The main emphasis is on the interaction of waves with the micro-structure of the weld. Effects of localisation and channeling of waves are addressed. A model of a grain structure within the weld is also considered.展开更多
The present study applies "Textual Patterns" like "general-specific" and "claim-counterclaim" to explore discourse coherence in Chinese students' English writing. The study confirms the function of the textual ...The present study applies "Textual Patterns" like "general-specific" and "claim-counterclaim" to explore discourse coherence in Chinese students' English writing. The study confirms the function of the textual patterns as macro-structures for discourse interpretation and production, and proves textual patterns as effective tools in identifying and solving problems with discourse coherence in Chinese EFL (English as a Foreign Language) learners' writing.展开更多
基金supported by a scholarship funded by Serco Technical Assurance Services
文摘The paper presents a computational model for elastic waves in a structured weld adjacent to the free surface of an elastic solid. The main emphasis is on the interaction of waves with the micro-structure of the weld. Effects of localisation and channeling of waves are addressed. A model of a grain structure within the weld is also considered.
文摘The present study applies "Textual Patterns" like "general-specific" and "claim-counterclaim" to explore discourse coherence in Chinese students' English writing. The study confirms the function of the textual patterns as macro-structures for discourse interpretation and production, and proves textual patterns as effective tools in identifying and solving problems with discourse coherence in Chinese EFL (English as a Foreign Language) learners' writing.