Problems occur regularly with intravenous therapy, especially with the flow behavior. A mechanical model can predict which components of intravenous therapy systems introduce non-ideal effects in the flow. This study concentrates on gaining quantitative information of each separate component for intravenous therapy, characterize its non-ideal effects and combine these quantities in one system-l...

An old question of T. Jech and K. Prikry asks if an existence of a precipitous ideal implies necessary existence of a normal precipitous ideal. The aim of the paper is to prove some results in the positive direction. Thus, it is shown that under some mild assumptions, an existence of a precipitous ideal over א1 implies an existence of a normal precipitous ideal over א1 once a Cohen subset is ad...

The present paper is concerned with the design of plane-strain bending wide sheets driven by sheet’s geometric shape after unloading. solution based on ideal flow theory. It determines loading path (the dependence between dimensionless moment and tensile force) that produces desirable shape. theory valid for rigid perfectly plastic material model. A method proposed in literature combines a at a...