Isogeometric analysis of ice accretion on wind turbine blades

For wind turbines operating in cold weather conditions, ice accretion is an established issue that remains an obstacle in effective turbine operation. While the aerodynamic performance of wind turbine blades with ice accretion has received considerable research attention, few studies have investigated the structural impact of blade ice accretion. This work proposes an adaptable projection-based method to superimpose complex ice configurations onto a baseline structure. The proposed approach provides an efficient methodology to include ice accretion in the high fidelity isogeometric shell analysis of a realistic wind turbine blade. Linear vibration and nonlinear deflection analyses of the blade are performed for various ice configurations to demonstrate the impact of different ice accretion distributions on structural performance. These analyses indicate decreases in the blade natural frequencies and deflection under icing conditions. Such ice-induced changes clearly reveal the need for structural design consideration for turbines operating under icing conditions

Note, Two Wrongs Make a Right: Hybrid Claims of Discrimination

This Note reinterprets and recontextualizes the pronouncement in Employment Division v. Smith (Smith II) that exemptions from generally applicable laws will not be granted unless claims of free exercise are accompanied by the assertion of another constitutional right. It argues that when Arab American Muslims, and others who are of minority race and religion, bring claims for exemption from generally applicable laws on the basis of free exercise and equal protection principles, they ought to be able to invoke Smith II\u27s hybridity exception, thus meriting heightened judicial scrutiny and increased solicitude from courts

Governing by Guidance: Civil Rights Agencies and the Emergence of Language Rights

On the fiftieth anniversary of the Civil Rights Act of 1964, this Article asks how federal civil rights laws evolved to incorporate the needs of non-English speakers following landmark immigration reform (the 1965 Hart-Cellar Act) that led to unprecedented migration from Asia and Latin America. Based on a comparative study of the emergence of language rights in schools and workplaces from 1965 to 1980, the Article demonstrates that regulatory agencies used nonbinding guidances to interpret the undefined statutory term national origin discrimination during their implementation of the Civil Rights Act of 1964. Their efforts facilitated the creation of language rights, albeit to different extents in schools and workplaces. The Article highlights the use of guidances to protect language minorities as a distinctive breed of civil rights law. It uses a historic, yet understudied episode to illustrate an often used, sometimes contested practice: governing by guidance

Race and Regulation Podcast Episode 7 - Citizenship, Race, and Political Inequality

Formal citizenship requirements for political participation excludes not only noncitizens, but also many individuals from racial communities perpetually seen as foreigners. Ming Hsu Chen of the University of California Hastings College of Law looks at regulatory barriers, such as voter ID laws, that inhibit both racial minorities and non-citizens from participating equally in the American political process. She offers proposals for regulatory changes that would create a more equitable political order

The Political (Mis)Representation of Immigrants in the Census

Who is a member of the political community? What barriers to inclusion do immigrants face as outsiders to this political community? This article describes several barriers facing immigrants that impede their political belonging. It critiques these barriers not on the basis of immigrants’ rights but based on their rights as current and future members of the political community. This is the second of two Essays. The first Essay focused on voting restrictions impacting Asian American and Latino voters. The second Essay focuses on challenges to including immigrants, Asian Americans, and Latinos in the 2020 Census. Together, the Essays critique the exclusion of immigrants from the political community because this exclusion compromises representational equality

The Road Not Taken: A Critical Juncture in Racial Preferences for Naturalized Citizenship

In The “Free White Person” Clause of the Naturalization Act of 1790 as Super-Statute, Gabriel Jack Chin and Paul Finkelman argue that racist results in naturalization have arisen despite, or maybe because of, the race neutral interpretation. This happened in a manner that could have been predicted by the federal government’s attitudes toward non-White persons in the Naturalization Act of 1790 and the nearly unbroken chain of legal developments. This leads them to think of the law as a “super-statute.” While I agree that this is the path actually taken in history, I view the mid-1960s civil rights era as a “critical juncture” when the U.S. government could have taken a counterfactual path that was less racist. The counterfactual path would have required legal interpretations of Constitutional equality and statutory nondiscrimination that remained cognizant of racial implications of purportedly race neutral laws, which was briefly captured in language rights and voting rights statutes in the late 1960s to 1970s. But the egalitarian interpretations unraveled due to contradictions within the liberal national ideology that permitted a post-racial pragmatism about colorblindness that stalled the political incorporation of some non-White immigrants—Asian, Latino/a, Arab—due to their racialization as perpetual foreigners (racialized foreigners)