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  • Jan
    26

    SPREE Seminar - David George

    McCormick - Civil and Environmental Engineering

    11:00 AM

    EVENT DETAILS

    D-Claw: a granular-fluid model for landslides, debris flows, and their interactions with water bodies.

    Abstract

    D-Claw is a depth-averaged, two-phase, mathematical model originally developed for dense granular flows, such as landslides and debris flows (Iverson & George, 2014). A key property of the model is the incorporation of granular dilatancy, which regulates the coupled evolution of solid-volume fractions and pore-fluid pressure and thereby mediates flow resistance. Model properties were motivated by our desire to simulate landslide initiation and resolve the evolving downslope mobility based on theoretically quantifiable sediment material properties, rather than utilize artificial rheological rules that predetermine mobility and require unrealistic initial force balances. More recently, by utilizing D-Claw's solid-fluid evolution, we have extended it to hybrid problems that involve the interaction of granular material and water bodies (e.g., landslide-generated tsunamis, dam breaching, and erosion).

    D-Claw is implemented in the open-source software framework of Clawpack (clawpack.org), and employs algorithms that facilitate the computation of large-scale problems (e.g., AMR, dynamic DEM integration), similar to the related tsunami modeling software, GeoClaw (George, 2006). I will describe key aspects of the D-Claw mathematical model and present some recent hybrid applications that utilize the software for hazard assessment.

    BIO

    David George received his Ph.D. in Applied Mathematics from the University of Washington, Seattle, in 2006. His research has been focused on the development of numerical methods and open-source software for wave-propagation problems and PDEs. In his graduate work, he focused on problems related to tsunami modeling. After postdoctoral positions in Mathematics at The University of Utah and the University of Washington, he became a Mendenhall postdoctoral fellow, and later, a permanent staff scientist at the USGS' Cascades Volcano Observatory in Vancouver, Washington. At the USGS, George develops models and software for shallow earth-surface flows such as landslides, debris flows, tsunamis, and related problems.

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    TIME Wednesday, January 26, 2022 at 11:00 AM - 12:00 PM

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    CONTACT Tierney Acott    tierney.acott@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Jan
    28

    SERJ & ME512 Seminar Series - Agnes Horvat

    McCormick - Civil and Environmental Engineering

    2:00 PM The Hive, Ford Motor Company Engineering Design Center

    EVENT DETAILS

    TIME Friday, January 28, 2022 at 2:00 PM - 3:00 PM

    LOCATION The Hive, Ford Motor Company Engineering Design Center    map it

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    CONTACT Stephanie Lukas    stephanie.lukas@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Jan
    28

    EES Seminar - Jieun Kim

    McCormick - Civil and Environmental Engineering

    2:00 PM A230, Technological Institute

    EVENT DETAILS

    TIME Friday, January 28, 2022 at 2:00 PM - 3:00 PM

    LOCATION A230, Technological Institute    map it

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    CONTACT Stephanie Lukas    stephanie.lukas@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Feb
    2

    SPREE Seminar - Yupeng Zhang

    McCormick - Civil and Environmental Engineering

    11:00 AM A230, Technological Institute

    EVENT DETAILS

    TIME Wednesday, February 2, 2022 at 11:00 AM - 12:00 PM

    LOCATION A230, Technological Institute    map it

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    CONTACT Stephanie Lukas    stephanie.lukas@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Feb
    9

    SPREE Seminar - Jiali Wang

    McCormick - Civil and Environmental Engineering

    11:00 AM A230, Technological Institute

    EVENT DETAILS

    TIME Wednesday, February 9, 2022 at 11:00 AM - 12:00 PM

    LOCATION A230, Technological Institute    map it

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    CONTACT Tierney Acott    tierney.acott@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Feb
    11

    EES Seminar - Rebecca Wilkes

    McCormick - Civil and Environmental Engineering

    2:00 PM A230, Technological Institute

    EVENT DETAILS

    TIME Friday, February 11, 2022 at 2:00 PM - 3:00 PM

    LOCATION A230, Technological Institute    map it

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    CONTACT Tierney Acott    tierney.acott@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Feb
    16

    SPREE Seminar - Michelle Driscoll

    McCormick - Civil and Environmental Engineering

    11:00 AM A230, Technological Institute

    EVENT DETAILS

    TIME Wednesday, February 16, 2022 at 11:00 AM - 12:00 PM

    LOCATION A230, Technological Institute    map it

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    CONTACT Tierney Acott    tierney.acott@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Feb
    18

    EES Seminar - Jiazian Shen

    McCormick - Civil and Environmental Engineering

    2:00 PM A230, Technological Institute

    EVENT DETAILS

    TIME Friday, February 18, 2022 at 2:00 PM - 3:00 PM

    LOCATION A230, Technological Institute    map it

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    CONTACT Tierney Acott    tierney.acott@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Feb
    18

    EES Seminar - Jiaxian Shen

    McCormick - Civil and Environmental Engineering

    2:00 PM A230, Technological Institute

    EVENT DETAILS

    TIME Friday, February 18, 2022 at 2:00 PM - 3:00 PM

    LOCATION A230, Technological Institute    map it

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    CONTACT Tierney Acott    tierney.acott@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Feb
    25

    EES Seminar - Ali Boehm

    McCormick - Civil and Environmental Engineering

    2:00 PM A230, Technological Institute

    EVENT DETAILS

    TIME Friday, February 25, 2022 at 2:00 PM - 3:00 PM

    LOCATION A230, Technological Institute    map it

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    CONTACT Stephanie Lukas    stephanie.lukas@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Mar
    2

    SPREE Seminar - Ashly Mijares

    McCormick - Civil and Environmental Engineering

    11:00 AM A230, Technological Institute

    EVENT DETAILS

    TIME Wednesday, March 2, 2022 at 11:00 AM - 12:00 PM

    LOCATION A230, Technological Institute    map it

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    CONTACT Tierney Acott    tierney.acott@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Mar
    4

    EES Seminar - Andrea Hill

    McCormick - Civil and Environmental Engineering

    2:00 PM A230, Technological Institute

    EVENT DETAILS

    TIME Friday, March 4, 2022 at 2:00 PM - 3:00 PM

    LOCATION A230, Technological Institute    map it

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    CONTACT Tierney Acott    tierney.acott@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Mar
    9

    SPREE Seminar - Maria-Aikaterini Nikolinakou

    McCormick - Civil and Environmental Engineering

    11:00 AM A230, Technological Institute

    EVENT DETAILS

    TIME Wednesday, March 9, 2022 at 11:00 AM - 12:00 PM

    LOCATION A230, Technological Institute    map it

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    CONTACT Tierney Acott    tierney.acott@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Mar
    12

    Winter Classes End

    University Academic Calendar

    All Day

    EVENT DETAILS

    TIME Saturday, March 12, 2022

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    CONTACT Office of the Registrar    nu-registrar@northwestern.edu EMAIL

    CALENDAR University Academic Calendar

  • Mar
    19

    Spring Break Begins

    University Academic Calendar

    All Day

    EVENT DETAILS

    TIME Saturday, March 19, 2022

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    CONTACT Office of the Registrar    nu-registrar@northwestern.edu EMAIL

    CALENDAR University Academic Calendar

  • Mar
    28

    Spring Break Ends

    University Academic Calendar

    All Day

    EVENT DETAILS

    TIME Monday, March 28, 2022

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    CONTACT Office of the Registrar    nu-registrar@northwestern.edu EMAIL

    CALENDAR University Academic Calendar