RESEARCH REPORTS OF
NATIONAL INSTITUTE OF TECHNOLOGY,NAGAOKA COLLEGEVOL.52
NOVEMBER 2016
CONTENTSPaperNumerical Temperature Determination of Frozen Duct in Frozen Soil Formation Based on Ground ･･･ 1Freezing - Boundary Temperature Control Analysis Based on Adjoint Variable and Finite ElementMethods Takahiko KURAHASHI, Shin ISHIZU, Kotaro MARUOKA,Atsushi SHIMAMURA, Tsutomu TSUCHIYA and Yoshitaka KAWADA

Automatic Mesh Generation of Triangular Meshes in Finite Element Analysis - Mesh Generation ･･･ 11Considering Stress Concentration near Crack and Notch Tips Takahiko KURAHASHI,Akane SUKIGARA, Kengo YAMAGIWA ,Kotaro MARUOKA and Tetsuro IYAMA

Numerical Simulation of Shallow Water Flow in Wave Tank- Comparison of Numerical Results by SUPG method and Observed Water Elevation -･･･ 21

Takahiko KURAHASHI, Masato NOGAMI, Shinya IMAI, Taichi YOSHIARA and Toshihiko ETO

Numerical Simulation for Thermal Convection Based on Stabilized Bubble Function Finite Element ･･･ 28Method
Shinya IMAI, Takahiko KURAHASHI, Eiji KATAMINE and Yoshitaka KAWADA
Inverse analysis for Identification of Hammering Signal in Non-destructive Hammering Test･･･ 34

Takahiko KURAHASHI, Eiki MATSUOKA, Yuki MURAKAMI,Shigehiro TOYAMA, Fujio IKEDA, Tetsuro IYAMA and Yoshihiro TAWARA

The Sangaku Lost from the Fuchū Hachiman Shrine in Naoetsu･･･ 41

Kazuyoshi WAKUTA and Kazuhito TOGAWA

The sidewalk space of winter season by the survey of the snow belt in the snowfall regional city･･･ 50Kazuhiro MIYAKOSHI, Taku KOBAYASHI

Development of Students Personal Skills for Qualified Engineers- Skill Training Based on the Demand from Students of Electrical Department -･･･ 60

Minako WATANABE, Yoshinori TOKOI ,Shouhei YANO, Naritoshi AOYAGI and Makoto YAMAZAKI

Improvement of “Listening and Speaking skills” of English by ICT in Education･･･ 66

Katsumi ICHIMURA, Takashi YUKAWA, Naritoshi AOYAGI and Yasuko TSUCHIDA

Data Analysis for Publicity Campaign Aiming at Increasing in Candidates for Admission Utilizing･･･ 72
Open Data
Akira TAKAHASHI, Kenji KAMIMURA , Hiroshi SATOH, and Shuichi SATO
College-wide Educational and Research Promotion by “Prelab” System･･･ 78Shin-ichi AKAZAWA, Yoshihiro TAWARA, Taku KIRYU, Yasuko TSUCHIDA,Yoshinori TOKOI, Yuki MURAKAMI, Fujio IKEDA, Tetsuro IYAMA, and Shigehiro TOYAMANoteReports on Trials of Support System for Mathematics Self-Instruction (SMSI) in NIT, Nagaoka･･･ 83
CollegeRumi SHINDO TOGASHI, Akira YAMADA, Mayumi NAKAYAMA,Masaki YAMAGISHI and Takeshi NOZAWAPractice of Engineering Design Education Utilizing ISATE 2015 Campus Tour･･･ 88

Yoshinori TOKOI, Yoshihiro OMINATO, Michiaki OMORI, Katsumi ICHIMURA,Kensei KANEKO, Makoto NAGAI, Emi KAWAMOTO, Takahiro YAMAMOTO and Nobuo ARAKIUitemate Project at National Institute of Technology, Nagaoka College - Integration of the ･･･ 94Society of Water Rescue and Survival Research and English Presentation Practice Yoshihiro OMINATO, Takayuki IJIMA, Shinya OKA, Masahira TAKEDA, Shohei NIINO,and Tatsuya YAGIThemes of Graduation Study 2015･･･････････････････････････････････････････････････････････････ 101
Thesis of Special Study at Advanced Engineering Courses 2015････････････････････････････････････ 107
A List of Research Activities No.51（2015.10-2016.9） ････････････････････････････････････････････ 120