Abstract: The traveling-wave tube (TWT) is an important amplifier for the THz wave (0.1–1 THz). A multistage depressed collector (MDC) is a significant component in TWT for collecting energy. When the ...

Abstract: A semi-implicit (SI) method is proposed as a new time-marching scheme for transient finite element (FE) analysis, in which the magnetic hysteresis characteristics are considered at each time ...

A finite element model of the cervical spine, including vertebrae, intervertebral discs, ligaments, and implants (cage and screws), was developed based on CT data from a healthy volunteer. Three ...

This calculation can be used for hypothesis testing in statistics Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive ...