A comparison of optimisation algorithms for high-dimensional particle and astrophysics applications
Sign Up to like & getrecommendations! Published in 2021 at "Journal of High Energy Physics"
DOI: 10.1007/jhep05(2021)108
Abstract: Abstract Optimisation problems are ubiquitous in particle and astrophysics, and involve locating the optimum of a complicated function of many parameters that may be computationally expensive to evaluate. We describe a number of global optimisation… read more here.
Keywords: astrophysics; particle astrophysics; optimisation algorithms; optimisation ... See more keywords
A simple approach towards the sign problem using path optimisation
Sign Up to like & getrecommendations! Published in 2018 at "Journal of High Energy Physics"
DOI: 10.1007/jhep12(2018)054
Abstract: A bstractWe suggest an approach for simulating theories with a sign problem that relies on optimisation of complex integration contours that are not restricted to lie along Lefschetz thimbles. To that end we consider the… read more here.
Keywords: sign; optimisation; simple approach; sign problem ... See more keywords
Crashworthiness optimisation of a composite energy-absorbing structure for railway vehicles
Sign Up to like & getrecommendations! Published in 2018 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-017-1829-7
Abstract: By coupling thin-walled metal and aluminium honeycomb structures, a composite energy-absorbing structure with a high strength to weight ratio was designed. The validity of equivalent models of the thin-walled metal structure and the aluminium honeycomb… read more here.
Keywords: energy absorbing; fip; energy; structure ... See more keywords
Numerical optimisation of a micro-wave rotor turbine using a quasi-two-dimensional CFD model and a hybrid algorithm
Sign Up to like & getrecommendations! Published in 2021 at "Shock Waves"
DOI: 10.1007/s00193-020-00979-4
Abstract: Wave rotors are unsteady flow machines that exchange energy through pressure waves. This has the potential for enhancing efficiency over a wide spectrum of applications, ranging from gas turbine topping cycles to pressure-gain combustors. This… read more here.
Keywords: wave rotor; quasi two; pressure; optimisation ... See more keywords
Dose rationale and pharmacokinetics of dexmedetomidine in mechanically ventilated new-borns: impact of design optimisation
Sign Up to like & getrecommendations! Published in 2019 at "European Journal of Clinical Pharmacology"
DOI: 10.1007/s00228-019-02708-y
Abstract: PurposeThere is a need for alternative analgosedatives such as dexmedetomidine in neonates. Given the ethical and practical difficulties, protocol design for clinical trials in neonates should be carefully considered before implementation. Our objective was to… read more here.
Keywords: dose rationale; mechanically ventilated; dexmedetomidine mechanically; optimisation ... See more keywords
Optimisation of xylanases production by two Cellulomonas strains and their use for biomass deconstruction
Sign Up to like & getrecommendations! Published in 2021 at "Applied Microbiology and Biotechnology"
DOI: 10.1007/s00253-021-11305-y
Abstract: Abstract One of the main distinguishing features of bacteria belonging to the Cellulomonas genus is their ability to secrete multiple polysaccharide degrading enzymes. However, their application in biomass deconstruction still constitutes a challenge. We addressed… read more here.
Keywords: biomass deconstruction; production; biomass; cellulomonas fimi ... See more keywords
A novel multi-fidelity modelling-based framework for reliability-based design optimisation of composite structures
Sign Up to like & getrecommendations! Published in 2020 at "Engineering with Computers"
DOI: 10.1007/s00366-020-01084-x
Abstract: A new multi-fidelity modelling-based probabilistic optimisation framework for composite structures is presented in this paper. The multi-fidelity formulation developed herein significantly reduces the required computational time, allowing for more design variables to be considered early… read more here.
Keywords: fidelity; multi fidelity; composite structures; reliability ... See more keywords
Multi-objective mixture design and optimisation of steel fiber reinforced UHPC using machine learning algorithms and metaheuristics
Sign Up to like & getrecommendations! Published in 2021 at "Engineering With Computers"
DOI: 10.1007/s00366-021-01403-w
Abstract: Ultra-high-performance concrete (UHPC) is a recent class of concrete with improved durability, rheological and mechanical and durability properties compared to traditional concrete. The production cost of UHPC is considerably high due to a large amount… read more here.
Keywords: mixture design; optimisation; multi objective; objective mixture ... See more keywords
Ensemble optimisation, multiple constraints and overconfidence: a case study with future Australian precipitation change
Sign Up to like & getrecommendations! Published in 2019 at "Climate Dynamics"
DOI: 10.1007/s00382-019-04690-8
Abstract: Future climate is typically projected using multi-model ensembles, but the ensemble mean is unlikely to be optimal if models’ skill at reproducing historical climate is not considered. Moreover, individual climate models are not independent. Here,… read more here.
Keywords: overconfidence; precipitation; climate; future australian ... See more keywords
Two-scale shape optimisation based on numerical homogenisation techniques and variational sensitivity analysis
Sign Up to like & getrecommendations! Published in 2021 at "Computational Mechanics"
DOI: 10.1007/s00466-020-01955-6
Abstract: This contribution presents a theoretical and computational framework for two-scale shape optimisation of nonlinear elastic structures. Particularly, minimum compliance optimisation problems with composite (matrix-inclusion) microstructures subjected to static loads and volume-type design constraints are focused.… read more here.
Keywords: shape; sensitivity analysis; two scale; optimisation ... See more keywords
Deep neural network-based hierarchical learning method for dispatch control of multi-regional power grid
Sign Up to like & getrecommendations! Published in 2021 at "Neural Computing and Applications"
DOI: 10.1007/s00521-021-06008-4
Abstract: Multi-regional power grid with interconnected tie-lines has become an increasingly important structure for current power systems, and can efficiently reallocate power resources on a large scale. The power dispatch of a multi-regional power grid involving… read more here.
Keywords: dispatch; regional power; multi regional; power ... See more keywords