Results 161 to 170 of about 12,250 (191)

The primal mixed finite element method and the LBB condition

Numerical Methods for Partial Differential Equations, 1992
AbstractSpurious or kinematic modes have posed a major obstacle to the implementation of the mixed finite element method. This research shows that spurious modes resulting from the approximation spaces not satisfying the LBB condition do not prevent a well posed problem.
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Development of LBB Assessment Method for Japanese Sodium Cooled Fast Reactor (JSFR) Pipes: 3—Fracture Assessment Methods Considering Compliance at a Crack Part

ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B, 2010
This paper presents a fracture assessment methods used in leak before break (LBB) assessment of sodium piping system in the Japanese sodium cooled fast reactor (JSFR). Use of thin wall pipes and compact layout of piping system are features of the design in JSFR.
Takashi Wakai, Hideo Machida, Shinji Yoshida, Yasuhiro Enuma, Tai Asayama   +4 more
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Development of LBB Assessment Method for Japan Sodium Cooled Fast Reactor (JSFR) Pipes (5): Crack Growth Assessment Method for Pipes Made of Mod.9Cr-1Mo Steel

Volume 6: Materials and Fabrication, Parts A and B, 2011
For sodium pipes of Japan Sodium cooled Fast Reactor (JSFR), the continuous leak monitoring will be adopted as an alternative to a volumetric test of the weld joints under conditions that satisfy Leak-Before-Break (LBB). The vessels of JSFR are connected by thin wall pipes with a large diameter made of modified 9Cr-1Mo steel and the internal pressure ...
Takashi Wakai, Hideo Machida, Shinji Yoshida, Takumi Tokiyoshi, Koichi Kikuchi, Yang Xu, Kazuyuki Tsukimori   +6 more
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Development of LBB Assessment Method for Japanese Sodium Cooled Fast Reactor (JSFR) Pipes: 1—Study on the Premise for the Standardization of Assessment Procedure

ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B, 2010
This paper describes the premise for the standardization of Leak Before Break (LBB) assessment procedure applicable to Japanese Sodium cooled Fast Reactor (JSFR) pipes made of modified 9Cr-1Mo steel. For the early commercialization of the SFRs, economic competitiveness is one of the most essential requirements.
Takashi Wakai, Hideo Machida, Yasuhiro Enuma, Tai Asayama   +3 more
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Development of LBB Assessment Method for Japan Sodium Cooled Fast Reactor (JSFR) Pipes (4): Verification of Crack Opening Displacement Assessment Method for Thin Wall Pipes Made of Mod.9Cr-1Mo Steel

Volume 6: Materials and Fabrication, Parts A and B, 2011
For sodium pipes of Japan Sodium cooled Fast Reactor (JSFR), the continuous leak monitoring will be adopted as an alternative to a volumetric test of the weld joints under conditions that satisfy Leak-Before-Break (LBB). The sodium pipes are made of ASME Gr.91 (modified 9Cr-1Mo) steel.
Takashi Wakai, Hideo Machida, Shinji Yoshida, Fumiko Kawashima, Koichi Kikuchi, Yang Xu, Kazuyuki Tsukimori   +6 more
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Development of LBB Assessment Method for Japanese Sodium Cooled Fast Reactor (JSFR) Pipes: 2—Crack Opening Displacement Assessment of Thin Wall Pipes Made of Modified 9Cr-1Mo Steel

ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B, 2010
This paper presents crack opening displacement (COD) evaluation methods used in leak before break (LBB) assessment of sodium piping system in the Japanese sodium cooled fast reactor (JSFR). Thin wall and low work hardening material are features of piping of JSFR.
Takashi Wakai, Hideo Machida, Manabu Arakawa, Yasuhiro Enuma, Tai Asayama   +4 more
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Assessment of the Hodograph Cone Method (HCM) for the Evaluation of the COD of Off-Centered Crack in Pipes Under Bending for LBB Assessment

ASME 2010 Pressure Vessels and Piping Conference: Volume 5, 2010
In this work the applicability and the accuracy of the hodograph cone method (HCM) for estimating the COD distribution of off-centered cracks in pipe under bending has been verified by means of extensive finite element analysis and experimental investigation.
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The J-Integral Method Compared to the API 579-1/ASME FFS-1 Standard to Calculate Stress Intensity Factor (SIF): Leak-Before-Break (LBB) Application with Uncertainty Quantification

Arabian Journal for Science and Engineering, 2023
Hamid Ghasemi, Khader M. Hamdia
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Improvement of penetrate crack length evaluation method for LBB assessment of sodium-cooled fast reactor components

The Proceedings of Mechanical Engineering Congress, Japan, 2018
Takashi WAKAI, Hideo MACHIDA, Manabu ARAKAWA   +2 more
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Estimation of Atlantic bonito (Sarda sarda) stock status in the Senegalese Exclusive Economic Zone (SEEZ) from the catch-based model (CMSY) and length-based bayesian estimation (LBB) method

Regional Studies in Marine Science, 2023
Ousmane Sarr, Richard Kindong, Fambaye Ngom Sow, Siquan Tian   +3 more
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