Physical Modeling for Engineering Education: Learning ... · Physical Modeling for Engineering...
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Physical Modeling for Engineering Education: Learning Theory Approach
Joseph Wartman
Associate Professor of Civil, Architectural and Environmental Engineering
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Physical Modeling: Evolving Use in Engineering Education
2006 (Images courtesy RPI)
20th Century(Image courtesy Ferguson, 1997)
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Physical Modeling: Evolving Use in Engineering Education
Drexel University
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Benefits of Physical Modeling for Education:
Geotechnical Perspective
• Clearly portray complex, nonlinear mechanisms and phenomena that are difficult to visualize
• By directly observing systems at the model scale, students develop an intuition and physical sense for the fundamental mechanisms that govern their behavior their behavior
• Models may be tested to collapse, thereby allowing one to witness failure mechanisms that are not seen in traditional laboratory sessions
• Students can directly assess the deviation between the predicted and actual performance of a system
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Benefits of Physical Modeling for Education:
Pedagogical Perspective
• When used in conjunction with traditional instruction methods such as lectures, highly kinesthetic, interactive activities can improve learning and motivate students.
• Require students to use multiple perception modes, engage in a wide array of learning activities, and participate in “active” learning exercises
• Laboratory demonstrations can have the effect of creating a “disequilibrium” in students, requiring them to revise their understanding and inspiring more in-depth learning
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How Does One Strategically Incorporate
Modeling into the Curriculum?
• Highly visual, kinesthetic activities such as modeling can improve
student understanding of complex phenomena; however, this alone does not ensure that comprehensive learning will occur
• Modeling must be integrated into course modules in a way that • Modeling must be integrated into course modules in a way that recognizes the natural learning cycle of students.
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Kolb’s Learning Theory (1984)
• “Theory of experiential learning” serves
as basis of learning process model
Concrete Experience
Observation and Reflection
Active Experimentation
• A circular or spiral model of how people learn
• Modified and extended by teaching at a variety of levels (4MAT system; McCarthy, 1987)
Forming Abstract Concepts
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Why Kolb’s Learning Theory?
• Conceptually similar to other established learning theories
• Previously been applied in engineering courses
• Emphasizes a variety of learning styles and thus is appealing to a broad range of students
• Based on the “theory of experiential learning,” - emphasizes the • Based on the “theory of experiential learning,” - emphasizes the importance of concrete experiences for learning
• Systematic nature provides students with a greater awareness of their own learning process
• Comprehensive, yet relatively easy to apply to engineering instructional modules
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Kolb’s Learning Model
Experience
Action Reflection
Conceptualization
Perceiving
Processing
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Kolb’s Learning Model
Experience
Action Reflection
Divergers
Convergers Assimilators
Accommodators
Most Civil Engineers
Processing
Conceptualization
• Four types of learners
• While learners prefer certain modes, they are capable of operating in all four quadrants
Convergers Assimilators
Perceiving
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4MAT System (McCarthy 1987)
Concrete Experience (CE)
Reflective Active
Quadrant One
Quadrant Four
processing
perc
eiv
ing
Reflective Observation (RO)
Abstract Conceptualization (AC)
Active Experimentation (AE)
Quadrant Two
Quadrant Three
processing
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4MAT System (McCarthy 1987)
Concrete Experience (CE)
Reflective Active
Quadrant One
Quadrant Four
processing
perc
eiv
ing
Learning cycle
elements (actions)
Reflective Observation (RO)
Abstract Conceptualization (AC)
Active Experimentation (AE)
Quadrant Two
Quadrant Three
processing
Learning
stage
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4MAT System: Learning Cycle Elements
Concrete Experience (CE)
Reflective Active
Quadrant One
Quadrant Four
processing
perc
eiv
ing
Actively experiencing an activity
• Lab. session
• Observations
• Field trip
Reflective Observation (RO)
Abstract Conceptualization (AC)
Active Experimentation (AE)
Quadrant Two
Quadrant Three
processing
Why?
Motivator
TO: provide meaning
and context
LE: observing,
listening,
experimentingTO: teaching objectives LE: learning experiences
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4MAT System: Learning Cycle Elements
Concrete Experience (CE)
Reflective Active
Quadrant One
Quadrant Four
processing
perc
eiv
ing
Consciously reflecting upon experience
• Discussion
• Journal keeping
Reflective Observation (RO)
Abstract Conceptualization (AC)
Active Experimentation (AE)
Quadrant Two
Quadrant Three
processing
What?
Information giver
TO: organize,
integrate new material
LE: patterning,
comparing
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4MAT System: Learning Cycle Elements
Concrete Experience (CE)
Reflective Active
Quadrant One
Quadrant Four
processing
perc
eiv
ing
How?
Coach/Facilitator
TO: apply subject
matter
LE: practicing, doing,
linking theory to
application
Reflective Observation (RO)
Abstract Conceptualization (AC)
Active Experimentation (AE)
Quadrant Two
Quadrant Three
processing
Conceptualize a model or theory
• Lectures
• Reading
• Projects
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4MAT System: Learning Cycle Elements
Concrete Experience (CE)
Reflective Active
Quadrant One
Quadrant Four
processing
perc
eiv
ing
What if?
Evaluator
TO: share
discoveries, evaluate
performance
LE: adapting,
modifying,
summarizing, making
new connections
Reflective Observation (RO)
Abstract Conceptualization (AC)
Active Experimentation (AE)
Quadrant Two
Quadrant Three
processing
Test model or theory
• Homework
• Experiments
• Analysis
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The College “Pendulum”
AE RO“Teaching” and Concept Practice, AE
AC
RO DevelopmentPractice,
Homework
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Example Application: Bearing Capacity Theory
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Example Application: Bearing Capacity Theory
Concrete Experience (CE) - Lecture to introduce concept of bearing capacity
- Present photographs of shallow foundation systems- Physical model demonstration - shallow foundation tested to failure
Reflective Observation (RO)- Assignment: review model demonstraition; record observations, make measurements
and sketch the failure mechanism(s)
Active Experimentation (AE)- Assignment: predict performance
of a shallow foundation system- Physical model experiment: Different shallow and sketch the failure mechanism(s)
- Class discussion about model demonstration
Abstract Conceptualization (AC)- Classroom lecture(s) on bearing capacity theory
- Physical model experiment: Different shallow foundation system tested to failure
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Conclusions
• Physical modeling: powerful simulation technique
• Most effective if strategically integrated into course modules
• Simple, yet comprehensive, approach developed for this purposepurpose
• Applicable to a wide range of subjects
• Must demonstrate the effectiveness of this approach through program assessment
• Take advantage of high quality pedagogy research
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ILGINIZ ICIN TESEKKUR EDERIMEDERIM