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Loading protocols for experimental seismic qualification of members in conventional and emerging steel frames

Earthquake engineering & structural dynamics (Print), 2019
Quasi‐static testing is one of the most commonly used experimental methods for examining the seismic performance of structural members. However, consistent loading protocols for experimental seismic qualification of members in emerging steel frames such ...
Cheng Fang, Yiwei Ping, Yiyi Chen
semanticscholar   +1 more source

A Sequential Optimality Condition Related to the Quasi-normality Constraint Qualification and Its Algorithmic Consequences

SIAM Journal on Optimization, 2019
In the present paper, we prove that the augmented Lagrangian method converges to KKT points under the quasi-normality constraint qualification, which is associated with the external penalty theory....
R. Andreani   +3 more
semanticscholar   +1 more source

Qualification and Calibration of Single-Mode Phosphosilicate Optical Fiber for Dosimetry at CERN

Journal of Lightwave Technology, 2019
We report the results of several complementary radiation tests to qualify and calibrate a highly radiation sensitive Single-Mode (SM) Optical Fiber (OF) for distributed dosimetry application at CERN.
D. D. Francesca   +9 more
semanticscholar   +1 more source

Reduction of Li-ion Battery Qualification Time Based on Prognostics and Health Management

IEEE transactions on industrial electronics (1982. Print), 2019
Lithium-ion (Li-ion) batteries have been used in a wide variety of applications, ranging from portable electronics to electric vehicles. During repetitive charging and discharging, a battery's capacity fades due to electrochemical reactions such as solid
Jinwoo Lee, Daeil Kwon, M. Pecht
semanticscholar   +1 more source

Constraint Qualifications Revisited

Management Science, 1972
In this study we investigate the constraint qualifications for the Kuhn-Tucker conditions to hold for an inequality-constrained nonlinear programming problem. We present the qualifications in a consistent manner so that the interrelationships between them are highlighted. This gives rise naturally to two types of constraint qualifications, and it will
M. S. Bazaraa, J. J. Goode, C. M. Shetty
openaire   +2 more sources

Ascertaining the impact of contractors pre-qualification criteria on project success criteria

Engineering Construction and Architectural Management, 2019
Purpose The selection of a suitable contractor for a project has a significant impact on project success. In order to avoid the selection of an incapable contractor, the capabilities of contractors must be assessed prior to tendering through pre ...
V. Acheamfour, E. Kissi, T. Adjei-Kumi
semanticscholar   +1 more source

The qualification period

Journal of Clinical Epidemiology, 1991
For randomized trials that do not require prompt onset of therapy, a pre-admission preparation, called the qualification period, can deal with certain customary difficulties in design, analysis, and ethics. For the patients' baseline state, the qualification period can be used to "wash out" effects of previous treatment, to verify admission criteria ...
P, Knipschild   +2 more
openaire   +2 more sources

Progress Towards Metal Additive Manufacturing Standardization to Support Qualification and Certification

, 2017
M. Seifi   +6 more
semanticscholar   +1 more source

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