Finite element analysis of high field permanent magnet mechanism using vector Preisach hysteresis model
This paper presents a method to simulate abnormal magnetizations in high field permanent magnet mechanism. Abnormal magnetizations including local saturation, local demagnetization and rotational magnetization occur in the assembly process of high field permanent magnet mechanism. Combining an anisotropic vector Preisach model and finite element analysis, abnormal magnetizations are simulated comprehensively. The method only requires the data of limiting magnetic hysteresis loops of the material along easy and hard axis, so the application of vector Preisach model becomes convenient and efficient. A sixteen elements enhanced magic ring is designed and the process of assembling is simulated, which verify the validity of the presented method.
Assembly Process's Simulation of High-Field Permanent-Magnet Flux Source Based on Vector Magnetic Hysteresis Model
In this paper, the recently research results of assembly process's simulation of high-field permanent-magnetic flux source is presented. A 2D vector Jiles-Atherton magnetic hysteresis model is employed in magnetic field finite element analysis. Abnormal magnetization phenomena of permanent magnetic material during the assembly process are simulated and the distribution and account of abnormal magnetization points is obtained. It can be a significant guide for the manufacture of magic ring.
Emotion, religious practice, and cosmopolitan secularism
Abstract Philip Kitcher has recently proposed a form of ‘cosmopolitan secularism’ which he suggests could enable the members of a future secular society to continue to access and benefit from the moral and existential resources of the world's religions. I criticize this proposal by appeal to contemporary work on the role of emotion and practice in religious commitment. Using the work of John Cottingham and Mark Wynn, two objections are offered to the cosmopolitan secularists' claim that the moral resources of a religion could be both preserved by and employed within a secular society whose members lack emotional commitment to and practical engagement with the religions in question. I conclude that, pace Kitcher, cosmopolitan secularism cannot fulfil its promise to preserve the moral resources of religion in the absence of genuine religious traditions and communities.