Globally minimizing the sum of a convex–concave fraction and a convex function based on wave-curve bounds
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Global Optimization"
DOI: 10.1007/s10898-019-00870-2
Abstract: We consider the problem of minimizing the sum of a convex–concave function and a convex function over a convex set (SFC). It can be reformulated as a univariate minimization problem, where the objective function is… read more here.
Keywords: convex concave; sum convex; convex; curve bounds ... See more keywords
A novel Arcs-based discrete element modeling of arbitrary convex and concave 2D particles
Sign Up to like & getrecommendations! Published in 2021 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2021.114071
Abstract: Abstract This study presents a novel Arcs-based discrete element method (ArcDEM) for efficient simulation of realistic granules with arbitrary convex and concave 2D particle outlines. In the proposed ArcDEM, a series of computational geometry algorithms… read more here.
Keywords: convex concave; novel arcs; arcs based; based discrete ... See more keywords
Finite element analysis of low-velocity impact response of convex and concave composite laminated shells
Sign Up to like & getrecommendations! Published in 2018 at "Composite Structures"
DOI: 10.1016/j.compstruct.2017.11.090
Abstract: Abstract The transient response of composite laminated cylindrical shells with convex and concave shapes, subjected to low-velocity impact, was numerically investigated. Geometrically linear analysis without consideration of the membrane effect demonstrated the same contact force… read more here.
Keywords: convex concave; response; composite laminated; low velocity ... See more keywords
Clinical and radiographic peri-implant tissue changes for implants restored with convex or concave abutment shapes: A 3-year randomized controlled trial.
Sign Up to like & getrecommendations! Published in 2023 at "Clinical oral implants research"
DOI: 10.1111/clr.14077
Abstract: OBJECTIVES The aim was to evaluate peri-implant tissue levels over a 3-year period for implants connected to either convex or concave final abutments at the time of implant placement. MATERIALS AND METHODS In this randomized,… read more here.
Keywords: convex concave; abutment; group; peri implant ... See more keywords
Fractional Hermite–Hadamard inequalities for (s,m)$(s,m)$-convex or s-concave functions
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Inequalities and Applications"
DOI: 10.1186/s13660-018-1829-1
Abstract: In this article, fractional integral is considered. Some new upper bounds of the distance between the middle and left of Hermite–Hadamard type inequalities for fractional integrals are established for (s,m)$(s,m)$-convex or s-concave functions. read more here.
Keywords: convex concave; fractional hermite; hadamard inequalities; hermite hadamard ... See more keywords
Convex and Concave Model 3D Printing for Designing Right-side Bronchial Blocker for Infants
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Bioprinting"
DOI: 10.18063/ijb.v8i3.555
Abstract: It is technically challenging for pediatric anesthesiologists to use bronchial blocker (BB) to isolate the lungs of infants during thoracoscopic surgery. Further, BB currently sold in the market cannot match the anatomical characteristics of the… read more here.
Keywords: convex concave; concave model; bronchial blocker; blocker ... See more keywords
Assessment of Surface Texture Bounded by Convex and Concave Parabolic Segments
Sign Up to like & getrecommendations! Published in 2020 at "Russian Engineering Research"
DOI: 10.3103/s1068798x20110052
Abstract: Formulas for the probability of filling of surface texture bounded by convex and concave parabolic segments are derived on the basis of geometric and mathematical modeling. The probability characteristics are calculated and compared for the… read more here.
Keywords: convex concave; texture bounded; surface texture; bounded convex ... See more keywords
A Study of Wear in Thin Coatings Applied to Convex-Concave Gearings
Sign Up to like & getrecommendations! Published in 2020 at "Lubricants"
DOI: 10.3390/lubricants8050056
Abstract: The submitted contribution deals with the wear of thin coatings applied to convex–concave gearings for gear made from C45E steel. The influence of the tribological characteristics (friction coefficient, wear, adhesion and hardness) of the TiN,… read more here.
Keywords: convex concave; applied convex; thin coatings; mos2 ... See more keywords
An Investigation of an Integral Equation Involving Convex–Concave Nonlinearities
Sign Up to like & getrecommendations! Published in 2021 at "Mathematics"
DOI: 10.3390/math9192372
Abstract: We investigate the existence and uniqueness of positive solutions to an integral equation involving convex or concave nonlinearities. A numerical algorithm based on Picard iterations is provided to obtain an approximation of the unique solution.… read more here.
Keywords: convex concave; integral equation; equation involving; concave nonlinearities ... See more keywords