Constraints On Displacement

Constraints on Displacement

This monograph sets out to derive the effects of standard constraints on displacement like the Minimal Link Condition (MLC) and the Condition on Extraction Domain (CED) from more basic principles in a minimalist approach. Assuming that movement via phase edges is possible only in the presence of edge features on phase heads, simple restrictions can be introduced on when such edge features can be inserted derivationally. The resulting system is shown to correctly predict MLC/CED effects (including certain exceptions, like intervention without c-command and melting). In addition, it derives operator-island effects, a restriction on extraction from verb-second clauses, and island repair by ellipsis. The approach presupposes that syntactic operations apply in a fixed order: Timing emerges as crucial. Thus, the book provides new arguments for a strictly derivational organization of syntax. Accordingly, it should be of interest not only to all syntacticians working on islands, but more generally to all scholars interested in the overall organization of grammar.

Modeling, Solving and Application for Topology Optimization of Continuum Structures: ICM Method Based on Step Function

Modelling, Solving and Applications for Topology Optimization of Continuum Structures: ICM Method Based on Step Function provides an introduction to the history of structural optimization, along with a summary of the existing state-of-the-art research on topology optimization of continuum structures. It systematically introduces basic concepts and principles of ICM method, also including modeling and solutions to complex engineering problems with different constraints and boundary conditions. The book features many numerical examples that are solved by the ICM method, helping researchers and engineers solve their own problems on topology optimization. This valuable reference is ideal for researchers in structural optimization design, teachers and students in colleges and universities working, and majoring in, related engineering fields, and structural engineers. - Offers a comprehensive discussion that includes both the mathematical basis and establishment of optimization models - Centers on the application of ICM method in various situations with the introduction of easily coded software - Provides illustrations of a large number of examples to facilitate the applications of ICM method across a variety of disciplines

Technical Report - Jet Propulsion Laboratory, California Institute of Technology