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A constitutive model based on nonlinear elasticity is proposed, where the secant values of Young’s modulus and Poisson’s ratio are changed appropriately. This alteration is obtained through the use of a nonlinearity index that relates the actual stress state to the failure surface. The model simulates the strain hardening before failure, the failure itself and the strain softening in the post-fail
The class of error-correcting convolutional codes is commonly used for reliable data transmission in mobile, satellite, and space-communication. Demanding simultaneously larger capacities and smaller error probabilities, convolutional codes with large free distances are needed. Such convolutional codes are in general characterized by large overall constraint lengths, increasing the complexity of d
A proposed blood treatment apparatus includes: a blood treatment unit (D), a pair of fluid pumps (PF1, PF2) and a pair of blood pumps (PB1, PB2). The blood treatment unit (D) is configured to receive untreated blood and fresh blood treatment fluid, and emit treated blood and used blood treatment fluid. The fluid pumps (PF1, PF2) are configured to pass blood treatment fluid through the blood treatm
Mellan belägringen av Beirut 1982 och belägringen av Ramallah och resten av Västbanken 2002 har 20 år gått. Poeten Mahmoud Darwish och människan Darwish upplever belägringen i Beirut och Ramallah. Poeten, dikten och ordet befinner sig under belägring i första fallet i exil i Beiruts inferno och i det andra i hemlandet, i ett land i väntan på gryningen. Det är historians öde att poeten och det fria
