Cellular Solids: Structure, Properties and Applications

This course reviews the structure and mechanical behavior of honeycombs and foams and applies models for their behavior to applications in engineering and medicine and to natural materials.

Unique Aspects of the Course

Some unique aspects of the course, particularly the focus on materials in nature, and projects on bamboo and cork are discussed.

10-12
03:13

Project Logistics and Support

Logistics of the assigned student projects, faculty feedback and support of students' work, and challenges that the students encounter are discussed.

10-12
05:02

Lecture Preparation

Lorna Gibson discusses how she prepares her lectures, as well as some of the extra things she likes to include.

10-12
05:38

Role of Images

Professor Gibson discusses the importance of images in the study of cellular materials in the course.

10-12
02:43

Student Project Examples

Student project examples are discussed by Professor Gibson in this video clip.

10-12
04:15

Faculty Introduction and Background

Professor Lorna Gibson introduces herself, the course, and talks about her background and how she became interested in engineering.

10-12
04:21

Lecture 19: Biomimicking

Review of materials with biomimicking, and final exam review.

09-19
30:11

Lecture 18: Natural Sandwich Structures; Density Gradients

Discussion of sandwich panels continues with natural sandwich structures and density gradients.

09-19
34:23

Lecture 17: Sandwich Panels

This session introduces sandwich panels, stress, strain, failure modes and optimum design.

09-19
01:14:57

Lecture 16: Applications: Energy Absorption in Foams

This session covers more on energy absorption of foams, and continues with modeling, concluding with a discussion of bicycle helmets and woodpeckers.

09-19
01:10:32

Lecture 15: Cell-scaffold Interactions; Energy Absorption

This session covers scaffold interactions, degradation, cell adhesion, wound and scar formation, and energy absorption mechanics.

09-19
01:13:05

Lecture 14: Tissue Engineering: Osteochondral Scaffold; How To Write a Paper

This session covers cell-scaffold interaction, degradation, cell attachment, morphology, contractility, migration and differentiation.

09-19
56:11

Lecture 13: Tissue Engineering Scaffolds: Processing and Properties

This session covers fabrication, microstructure and mechanical properties of osteochondral scaffold.

09-19
01:12:13

Lecture 12: Trabecular Bone, Osteoporosis, and Evolution

This session continues on osteoporosis and covers bone structure related to evolution.

09-19
01:09:12

Lecture 11: Trabecular Bone and Osteoporosis

This session covers bone and trabecular bone, and begins discussing osteoporosis.

09-19
01:14:38

Lecture 10: Exam Review

Professor Gibson takes questions from students in order to review concepts that will be covered on the midterm exam.

09-19
01:07:16

Lecture 9: Foams: Thermal Properties

Thermal properties and behaviors of foams is covered in this session.

09-19
58:38

Lecture 8: Foams: Non-linear Elasticity

This session begins with a viewing of video on Hooke's Micrographia, then covers compressive strength and fracture toughness of foams.

09-19
01:09:29

Lecture 7: Natural Honeycombs: Cork; Foams: Linear Elasticity

This session begins with a look at cork as a natural honeycomb structure, and covers properties of foams and some modeling.

09-19
01:06:09

Lecture 6: Natural Honeycombs: Wood

This session covers wood structure, micro-structure, stress-strain, honeycomb models, and bending.

09-19
01:18:11

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