Results 21 to 30 of about 78,549 (246)

Advanced Iterative Procedures for Solving the Implicit Colebrook Equation for Fluid Flow Friction

open access: yesAdvances in Civil Engineering, 2018
The empirical Colebrook equation from 1939 is still accepted as an informal standard way to calculate the friction factor of turbulent flows (4000 
Pavel Praks, Dejan Brkić
doaj   +1 more source

Conceptualising engagement with HIV care for people on treatment: the Indicators of HIV Care and AntiRetroviral Engagement (InCARE) Framework

open access: yesBMC Health Services Research, 2023
Background As the crisis-based approach to HIV care evolves to chronic disease management, supporting ongoing engagement with HIV care is increasingly important to achieve long-term treatment success.
Claire M. Keene   +7 more
doaj   +1 more source

Comparison of Fuzzy Clustering Methods and Their Applications to Geophysics Data

open access: yesApplied Computational Intelligence and Soft Computing, 2009
Fuzzy clustering algorithms are helpful when there exists a dataset with subgroupings of points having indistinct boundaries and overlap between the clusters.
David J. Miller   +3 more
doaj   +1 more source

Fast iterative solvers for PDE-constrained optimization problems

open access: yes, 2013
In this thesis, we develop preconditioned iterative methods for the solution of matrix systems arising from PDE-constrained optimization problems. In order to do this, we exploit saddle point theory, as this is the form of the matrix systems we wish to ...
Pearson, John W
core   +1 more source

Development and adaptation of higher-order iterative methods in Rn with specific rules

open access: yesDiscrete and Continuous Models and Applied Computational Science
In this article, we propose fourth- and fifth-order two-step iterative methods for solving the systems of nonlinear equations in \(R^n\) with the operations of multiplication and division of vectors.
T. Zhanlav, Kh. Otgondorj
doaj   +1 more source

Quantitative Assessment of Orbital Implant Position--A Proof of Concept.

open access: yesPLoS ONE, 2016
IntroductionIn orbital reconstruction, the optimal location of a predefined implant can be planned preoperatively. Surgical results can be assessed intraoperatively or postoperatively. A novel method for quantifying orbital implant position is introduced.
Ruud Schreurs   +3 more
doaj   +1 more source

Explanation of context, mechanisms and outcomes in adult community mental health crisis care: the MH-CREST realist evidence synthesis

open access: yesHealth and Social Care Delivery Research, 2023
Background Mental health crises cause significant disruption to individuals and families and can be life-threatening. The large number of community crisis services operating in an inter-agency landscape complicates access to help.
Clibbens Nicola   +8 more
doaj   +1 more source

Interior-point methods for PDE-constrained optimization [PDF]

open access: yes, 2013
In applied sciences PDEs model an extensive variety of phenomena. Typically the final goal of simulations is a system which is optimal in a certain sense. For instance optimal control problems identify a control to steer a system towards a desired state.
Huber, Johannes
core   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

Impact of interventions to improve recovery of older adults following planned hospital admission on quality-of-life following discharge: linked-evidence synthesis

open access: yesHealth and Social Care Delivery Research, 2023
Objectives To understand the impact of multicomponent interventions to improve recovery of older adults following planned hospital treatment, we conducted two systematic reviews, one of quantitative and one of qualitative evidence, and an overarching ...
Debbie Kinsey   +11 more
doaj   +1 more source

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