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Prediction of Dynamic Behavior in Ultrasonic Plastic Welding by the Use of Component Mode Synthesis Method
No full textUltrasonic plastic welding is one of the most widely used techniques for joining thermoplastics because no adhesive is required. To guarantee the successful welding, it is important to predict and evaluate the dynamic behavior at the joint area between the two parts to be joined. In this paper, the dynamic behavior at the joint area induced by the horn vibration is predicted by dynamic contact analysis based on time history response analysis. In addition, a significant reduction in computation time for the dynamic contact analysis is achieved using component mode synthesis method. The proposed method is validated by comparing the predictions of dynamic behavior with the experimental data. The predictions indicate the dynamic behavior depends on a driving frequency while the driving frequency is fixed for an ultrasonic welding machine
A Study on Setting Situation and Tendency of the Empty House Regulations of Local Municipalities in Japan
No full textThe purpose of this study is to accumulate basic data of the setting situation of the empty house
regulations of local municipalities in Japan. In this paper, the contents of the empty house
regulations are searched on the Internet and their characteristics are analyzed using the statistical
data of empty house. The setting situation is different by the local municipalities, the kinds of
penalty and approaching method to the wners are organized into several types and there is
regional characteristics in these types
Study in Method and Practice of Mathematical Cooperative Education in Fukui Prefecture from an International Perspective : Based on the Present State in Higher Education and Mathematical Education in Thailand.
No full textHigh school teachers hope that their students will find pleasure in learning mathematics. They expect mathematical cooperative education to encourage inquisitiveness and inquiring minds among students who are uninterested in mathematical intellectual pursuits. On the other hand, as globalization gathers speed for the international economy of the 21st century, it is of great necessity to continuously develop global human resources who possess communication skills, intercultural experiences, and mathematical ways of thinking. There is a compelling need for high schools and universities to develop and train global talent for the government and companies. Therefore, the purpose of this paper is to clarify the capabilities and conditions of global human resources and to propose how to develop such talents in both Japanese high schools and Japanese universities. The key factor for the success of human global development in Japan would not be English, but a deep knowledge about mathematical ways of thinking, adaptability, flexibility, and others. Finally, compounding new experiences is effective to be able to think about things in a wide range of fields.
While not limiting it to overseas exchanges, we hope students will break out of their comfort zones and endeavor to expand their range of activities
Study on the Correlation between Stock Price and Web Data Using Negative-Positive Analysis
No full textIn this study,we investigate the correlation between stock price and Web data.In previous research, it had been reported that there are some relation between the tweets of Twitter.Analysis of the Web data has shown that it is useful for the prediction of stock price from the result. We examine whether approach of previous research is useful for Web data in Japan.We also researched the correlation between stock price and Web data.We applay the negative-positive analysis to news articles of domestic news site.
We quantified the article of domestic news sites to negative or positive of the two types of value emotional value,and analyzed the relationship between stock price.From the experimental results, we found that there is a certain tendency but it is difficult to show the correlation using only negativepositive analysis
