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“To not accidentally cut out the nerves and to preserve structures takes a lot of studying,” McCabe said. “We need to know what muscles we’re looking for and where they are in the body so that when we move into the cadaver lab, we can properly identify them.”

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Abstract: Composite materials are utilized in various industries due to their advantageous properties. Drilling is a crucial process for joining these materials to construct the structures. During the drilling of composite materials, several types of defect can occur, with delamination being the most prevalent. Delamination adversely effects the properties of the drilled hole and diminishes the quality of the final structure. Thrust force is a key parameter used to monitor the drilling process; a higher thrust force increases the likelihood of defects, particularly delamination, in the drilled area. In this article, a central composite design is applied to the drilling process of carbon fiber-reinforced polymer (CFRP) composites, focusing on parameters such as rotational speed, feed rate, and the angle between the composite layer sequences. The objective is to minimize delamination factors and thrust force. The effect of drilling parameters on the responses is analyzed independently. The results indicate that the derived models can predict the thrust force and delamination factors in the drilling of CFRP composites. Keywords: central composite design; carbon fiber-reinforced plastic composite; composites; drilling; delamination factor; optimization

dissection中文

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Cadaver

“It’s simple, just like using a tablet or an iPad,” Williamson said. “Students quickly figured out how to manipulate the model.”

anatomy中文

“In the cadaver lab, you get one chance in a dissection; if a student accidentally removes the left biceps, we can’t put it back. All we can do is ensure we don’t make the mistake on the right side,” said Richter. “But on the Toltech table, if they remove a bicep, we can put it back. So, I hope this helps them understand relationships, so they don’t make that same mistake in the cadaver lab.”

Newswise gives journalists access to the latest news and provides a platform for universities, institutions, and journalists to spread breaking news to their audience.

Feature papers are submitted upon individual invitation or recommendation by the scientific editors and must receive positive feedback from the reviewers.

“It’s as close as students can get to real anatomy without actually being in the cadaver lab,” said Saskia Richter, assistant professor of kinesiology and applied physiology (KAAP) in the College of Health Sciences (CHS).

Using virtual anatomy tables has made senior human physiology major Jillian Wright feel more confident in the cadaver lab. She’s looking forward to studying organs.

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“Many students won’t ever see a cadaver in their time here at UD, so these virtual anatomy tables are as close as they get to hands-on experience,” Williamson said.

Arhamnamazi, Seyyedabbas, Francesco Aymerich, Pasquale Buonadonna, Mohamad El Mehtedi, and Hossein Taheri. 2024. "Application of Central Composite Design in the Drilling Process of Carbon Fiber-Reinforced Polymer Composite" Applied Sciences 14, no. 17: 7610. https://doi.org/10.3390/app14177610

The Toltech anatomy tables, which include images rendered by a human donor instead of computer-generated images, are being piloted this spring with honors anatomy and physiology and functional anatomy students; they will be rolled out to students in various majors this fall.

“When looking at the cardiovascular system, we can follow blood flow. Students can view vessels and structures in relation to the rest of the body, which they can’t see on models,” said teaching assistant Serena Schade, who will graduate in May with her master’s in exercise science.

Arhamnamazi, S., Aymerich, F., Buonadonna, P., El Mehtedi, M., & Taheri, H. (2024). Application of Central Composite Design in the Drilling Process of Carbon Fiber-Reinforced Polymer Composite. Applied Sciences, 14(17), 7610. https://doi.org/10.3390/app14177610

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3Danatomy

Newswise — The human body's intricate anatomy is vividly displayed in 3D on an interactive screen, comparable to a 50-inch television. This practical teaching and learning tool allows University of Delaware students to study the human body and highlight bones, muscles, veins, arteries, nerves, and tissue in shades of blue, purple, red, and green. These virtual anatomy tables serve as many students’ first real hands-on encounter with anatomical structures.

“I’m a big fan of the heart,” said Wright. “So, I’m excited to get in there, dissect all the organs and learn about the different parts.”

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Arhamnamazi S, Aymerich F, Buonadonna P, El Mehtedi M, Taheri H. Application of Central Composite Design in the Drilling Process of Carbon Fiber-Reinforced Polymer Composite. Applied Sciences. 2024; 14(17):7610. https://doi.org/10.3390/app14177610

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Gray'sAnatomy

Editor’s Choice articles are based on recommendations by the scientific editors of MDPI journals from around the world. Editors select a small number of articles recently published in the journal that they believe will be particularly interesting to readers, or important in the respective research area. The aim is to provide a snapshot of some of the most exciting work published in the various research areas of the journal.

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“It shows the muscles and the vasculature and really helps identify what you’re looking at because you can enlarge and rotate the model,” McCabe said.

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Arhamnamazi, S.; Aymerich, F.; Buonadonna, P.; El Mehtedi, M.; Taheri, H. Application of Central Composite Design in the Drilling Process of Carbon Fiber-Reinforced Polymer Composite. Appl. Sci. 2024, 14, 7610. https://doi.org/10.3390/app14177610

The system also offers clinical imaging, including X-rays, ultrasounds, and MRIs. What’s also great – students can save imagery on a flash drive and review it at home. Williamson added that the learning curve wasn’t steep, at least regarding the tech.

Kinesiology and applied physiology students at the University of Delaware use new virtual anatomy tables to isolate ligaments, tissues and arteries in the hand. UD is one of a few schools in the country to offer this cutting-edge tech to undergraduate students.

Anatomy

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In Professor Sheara Williamson’s Human Anatomy and Physiology (A&P) II class, students work on case studies, comparing healthy anatomical structures to pathological conditions. She hopes they gain a better understanding of anatomical structure.

Physiology

“For many students, the first time they’ll step into a cadaver lab is in medical school,” McCabe said. “I’m very grateful to have this opportunity to apply what I’ve learned so I’ll feel more confident and comfortable in medical school.”

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Feature papers represent the most advanced research with significant potential for high impact in the field. A Feature Paper should be a substantial original Article that involves several techniques or approaches, provides an outlook for future research directions and describes possible research applications.

“Simulated anatomy offerings are up and coming in medical education,” Richter said. “We’re grateful for this grant support and the support of CHS Dean Bill Farquhar to offer this realistic, three-dimensional look at anatomy that will bring our students one step closer to better understanding the relationships between anatomical structures that will enhance their clinical skills.”

UD is among a handful of institutions nationwide to offer the innovative Toltech VH Dissector tables to undergraduate students.

“Right now, students have access to a plastinated arm and leg, but it’s hard to differentiate between blood vessels and nerve when everything looks like beige tissue,” she said.

Honors A&P students observe a dissection in the cadaver lab but don’t test their skills. That’s reserved for fourth-year undergraduate and master's-level students in KAAP.

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