Results 21 to 30 of about 46,059 (265)

A Comprehensive Mixed-Mode Time-Domain Load- and Source-Pull Measurement System [PDF]

open access: yes, 2010
We present a novel test set devised for nonlinear balanced device characterization using load-pull techniques. The system is capable of measuring the voltage and current waveforms at the calibration reference planes while independently tuning the device ...
Ferrero, Andrea Pierenrico   +3 more
core   +1 more source

Analysis of Mixed-Mode I/II/III Fracture Toughness Based on a Three-Point Bending Sandstone Specimen with an Inclined Crack

open access: yesApplied Sciences, 2021
The crack-propagation form may appear as an arbitrary mixed-mode fracture in an engineering structure due to an irregular internal crack. It is of great significance to research the mixed-mode fracture of materials with cracks.
Xin Pan   +4 more
doaj   +1 more source

Investigating interfacial cracks in bi-materials through a 4-point bending model analysis [PDF]

open access: yesTheoretical and Applied Mechanics
This study focuses on examining the failure behavior of interfacial cracks in bimaterial structures. Bimaterials present a unique challenge due to their composition, consisting of two materials that can be homogeneous and isotropic, with a specific ...
Mankour Abdeljelil, Belabbes Bachir B.
doaj   +1 more source

The relationship between self-efficacy and problem-solving ability in biology learning at the senior high school

open access: yesBiosfer
This study aims to examine the relationship between self-efficacy and problem-solving ability in the topic of the human reproductive system at the senior high school level (SMA). The research employed a quantitative correlational design.
Dina Maulina   +6 more
doaj   +1 more source

Lifetime evaluation of concrete structures under sustained post-peak loading [PDF]

open access: yes, 2005
Experimental tests on crack propagation in concrete under constant post-peak loading are simulated using the finite element method and the cohesive crack model, in both Mode I and Mixed-mode conditions.
Silvio Valente   +3 more
core   +1 more source

Crack’s bifurcation in an anisotropic material

open access: yesMATEC Web of Conferences, 2012
The orthotropic of a solid is characterized by the material directions 1→,2→,3→$mathop 1limits^ o ,mathop 2limits^ o ,mathop 3limits^ o $ and corresponds to six main directions of the crack’ distribution 21, 31, 32, 12, 13 and 23 (the first number ...
El Kaaba A., Lahna F., Belrhazi N.
doaj   +1 more source

Extension of the CJP model to mixed mode I and mode II [PDF]

open access: yesFracture and Structural Integrity, 2013
The present authors have previously proposed a novel ‘plastic inclusion’ approach for dealing with the local plasticity which occurs at the tip of a growing fatigue crack.
C. J. Christopher   +3 more
doaj   +2 more sources

Mixed-Mode Pandemic Modeling [PDF]

open access: yes2019 Winter Simulation Conference (WSC), 2019
This paper describes a mixed mode approach to simulating a global pandemic. It describes the architectural and design decisions as well as the data sources, development tools and processes in each of the three simulation domains - System Dynamics (SD), Discrete Event Simulation (DES) and Agent-Based Modeling (ABM). The encompassing model uses a network
openaire   +1 more source

Curve fitting of mixed-mode isopachics

open access: yes, 2009
Recent work has focused on exploiting the observation that the stress-sum contours (isopachics), obtained from TSA, in the vicinity of the tip take the form of a simple curve – the cardioid.
Barton, Janice .M.   +4 more
core   +1 more source

Non-Observation Bias in an Address-Register-Based CATI/CAPI Mixed Mode Survey

open access: yesMethoden, Daten, Analysen, 2016
Landline surveys suffer from an increasing risk of excluding a relevant share of the population. To analyze and correct telephone coverage issues, face-to-face surveys are often used, which contain questions about landline ownership and registration ...
Oliver Lipps
doaj   +1 more source

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