Results 51 to 60 of about 1,862 (261)
Formulation of Euler–Lagrange equations for fractional variational problems
The author gives an analogue of the Euler equation for the variational problem for the functional \(J[y]= \int_a^b F(x,y,y^{(\alpha)}_+, y^{(\beta)}_-)\; dx\) where \(y^{(\alpha)}_+\) and \( y^{(\beta)}_-\) stand, respectively, for the left-hand sided and right-hand sided fractional derivatives.
openaire +1 more source
In situ mechanical loading of osteoarthritis‐prone murine knee joints reveals that spatial alterations in subchondral plate microarchitecture precede cartilage loss and promote a shift from coordinated epiphyseal strain dissipation in healthy joints to focal subchondral strain concentration in osteoarthritis‐prone joints.
Aikta Sharma +10 more
wiley +1 more source
ABSTRACT Rice is the main staple food for more than half of the world's population and the income from rice is an essential source for livelihoods of millions of households. We examine whether direct seed in rice production is an adaptation of rice farmers to rainfall changes and farm labor scarcity.
Manh Hung Do
wiley +1 more source
Modeling of shell-beam transitions in the presence of finite rotations
A finite element formulation for a transition element between shells and beam structures is described in this paper. The elements should allow changes between models in an 'optimal' way without or with little disturbances which decrease rapidly due to ...
Wern Wagner, Friedrich G Gruttmann
doaj
ABSTRACT The US hemp market is a new and nascent industry that has been devoid of research for about half a century. This study examined the effects of exogenous shock on price at each phase of the value chain—Farm (hemp biomass), and its impact on prices at other phases of the value chain—Intermediary Processor (crude cannabidiol hemp) and Final ...
Solomon Odiase +2 more
wiley +1 more source
Deforestation and Efficiency: Insights From Forest Transition in the Brazilian Cerrado
ABSTRACT This paper estimates technical efficiency (TE) and environmental efficiency (EE) of agricultural production at the municipal level of the Brazilian Cerrado in 2006 and 2017, and investigates their underlying mechanisms in relation to forest transition theory.
Ricardo Muniz Simões +2 more
wiley +1 more source
The paper concerns shape functions formulations in the scope of the recent methods generalizing finite elements and whose common feature is the absence of a mesh.
Piotr Breitkopf +2 more
doaj
A new drag and lift correlation for spherocylinders from fully resolved Immersed Boundary Method
Abstract Many industrial processes deal with non‐spherical particles, e.g., mineral mining and biomass conversion. It is crucial to understand the particles' hydrodynamics to control and optimize these processes. To extend the current state‐of‐the‐art from arrays of spherical particles to spherocylindrical particles, we performed extensive particle ...
A. H. Huijgen +4 more
wiley +1 more source
It is a fact that slippage causes tracking errors in both longitudinal and lateral directions which results to have less travel distance in tracking a reference trajectory. Less travel distance means having energy loss of the battery and carrying loads less than planned.
Gokhan Bayar +2 more
wiley +1 more source
Improving Lagrange Dual Bounds for Quadratic Extremal Problems
Introduction. Due to the fact that quadratic extremal problems are generally NP-hard, various convex relaxations to find bounds for their global extrema are used: Lagrangian relaxation, SDP-relaxation, SOCP-relaxation, LP-relaxation, and others.
Oleg Berezovskyi
doaj +1 more source

